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Edit File: culori.mjs

// src/rgb/parseNumber.js
var parseNumber = (color, len) => {
  if (typeof color !== "number")
    return;
  if (len === 3) {
    return {
      mode: "rgb",
      r: (color >> 8 & 15 | color >> 4 & 240) / 255,
      g: (color >> 4 & 15 | color & 240) / 255,
      b: (color & 15 | color << 4 & 240) / 255
    };
  }
  if (len === 4) {
    return {
      mode: "rgb",
      r: (color >> 12 & 15 | color >> 8 & 240) / 255,
      g: (color >> 8 & 15 | color >> 4 & 240) / 255,
      b: (color >> 4 & 15 | color & 240) / 255,
      alpha: (color & 15 | color << 4 & 240) / 255
    };
  }
  if (len === 6) {
    return {
      mode: "rgb",
      r: (color >> 16 & 255) / 255,
      g: (color >> 8 & 255) / 255,
      b: (color & 255) / 255
    };
  }
  if (len === 8) {
    return {
      mode: "rgb",
      r: (color >> 24 & 255) / 255,
      g: (color >> 16 & 255) / 255,
      b: (color >> 8 & 255) / 255,
      alpha: (color & 255) / 255
    };
  }
};
var parseNumber_default = parseNumber;

// src/colors/named.js
var named = {
  aliceblue: 15792383,
  antiquewhite: 16444375,
  aqua: 65535,
  aquamarine: 8388564,
  azure: 15794175,
  beige: 16119260,
  bisque: 16770244,
  black: 0,
  blanchedalmond: 16772045,
  blue: 255,
  blueviolet: 9055202,
  brown: 10824234,
  burlywood: 14596231,
  cadetblue: 6266528,
  chartreuse: 8388352,
  chocolate: 13789470,
  coral: 16744272,
  cornflowerblue: 6591981,
  cornsilk: 16775388,
  crimson: 14423100,
  cyan: 65535,
  darkblue: 139,
  darkcyan: 35723,
  darkgoldenrod: 12092939,
  darkgray: 11119017,
  darkgreen: 25600,
  darkgrey: 11119017,
  darkkhaki: 12433259,
  darkmagenta: 9109643,
  darkolivegreen: 5597999,
  darkorange: 16747520,
  darkorchid: 10040012,
  darkred: 9109504,
  darksalmon: 15308410,
  darkseagreen: 9419919,
  darkslateblue: 4734347,
  darkslategray: 3100495,
  darkslategrey: 3100495,
  darkturquoise: 52945,
  darkviolet: 9699539,
  deeppink: 16716947,
  deepskyblue: 49151,
  dimgray: 6908265,
  dimgrey: 6908265,
  dodgerblue: 2003199,
  firebrick: 11674146,
  floralwhite: 16775920,
  forestgreen: 2263842,
  fuchsia: 16711935,
  gainsboro: 14474460,
  ghostwhite: 16316671,
  gold: 16766720,
  goldenrod: 14329120,
  gray: 8421504,
  green: 32768,
  greenyellow: 11403055,
  grey: 8421504,
  honeydew: 15794160,
  hotpink: 16738740,
  indianred: 13458524,
  indigo: 4915330,
  ivory: 16777200,
  khaki: 15787660,
  lavender: 15132410,
  lavenderblush: 16773365,
  lawngreen: 8190976,
  lemonchiffon: 16775885,
  lightblue: 11393254,
  lightcoral: 15761536,
  lightcyan: 14745599,
  lightgoldenrodyellow: 16448210,
  lightgray: 13882323,
  lightgreen: 9498256,
  lightgrey: 13882323,
  lightpink: 16758465,
  lightsalmon: 16752762,
  lightseagreen: 2142890,
  lightskyblue: 8900346,
  lightslategray: 7833753,
  lightslategrey: 7833753,
  lightsteelblue: 11584734,
  lightyellow: 16777184,
  lime: 65280,
  limegreen: 3329330,
  linen: 16445670,
  magenta: 16711935,
  maroon: 8388608,
  mediumaquamarine: 6737322,
  mediumblue: 205,
  mediumorchid: 12211667,
  mediumpurple: 9662683,
  mediumseagreen: 3978097,
  mediumslateblue: 8087790,
  mediumspringgreen: 64154,
  mediumturquoise: 4772300,
  mediumvioletred: 13047173,
  midnightblue: 1644912,
  mintcream: 16121850,
  mistyrose: 16770273,
  moccasin: 16770229,
  navajowhite: 16768685,
  navy: 128,
  oldlace: 16643558,
  olive: 8421376,
  olivedrab: 7048739,
  orange: 16753920,
  orangered: 16729344,
  orchid: 14315734,
  palegoldenrod: 15657130,
  palegreen: 10025880,
  paleturquoise: 11529966,
  palevioletred: 14381203,
  papayawhip: 16773077,
  peachpuff: 16767673,
  peru: 13468991,
  pink: 16761035,
  plum: 14524637,
  powderblue: 11591910,
  purple: 8388736,
  // Added in CSS Colors Level 4:
  // https://drafts.csswg.org/css-color/#changes-from-3
  rebeccapurple: 6697881,
  red: 16711680,
  rosybrown: 12357519,
  royalblue: 4286945,
  saddlebrown: 9127187,
  salmon: 16416882,
  sandybrown: 16032864,
  seagreen: 3050327,
  seashell: 16774638,
  sienna: 10506797,
  silver: 12632256,
  skyblue: 8900331,
  slateblue: 6970061,
  slategray: 7372944,
  slategrey: 7372944,
  snow: 16775930,
  springgreen: 65407,
  steelblue: 4620980,
  tan: 13808780,
  teal: 32896,
  thistle: 14204888,
  tomato: 16737095,
  turquoise: 4251856,
  violet: 15631086,
  wheat: 16113331,
  white: 16777215,
  whitesmoke: 16119285,
  yellow: 16776960,
  yellowgreen: 10145074
};
var named_default = named;

// src/rgb/parseNamed.js
var parseNamed = (color) => {
  return parseNumber_default(named_default[color.toLowerCase()], 6);
};
var parseNamed_default = parseNamed;

// src/rgb/parseHex.js
var hex = /^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i;
var parseHex = (color) => {
  let match;
  return (match = color.match(hex)) ? parseNumber_default(parseInt(match[1], 16), match[1].length) : void 0;
};
var parseHex_default = parseHex;

// src/util/regex.js
var num = "([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)";
var num_none = `(?:${num}|none)`;
var per = `${num}%`;
var per_none = `(?:${num}%|none)`;
var num_per = `(?:${num}%|${num})`;
var num_per_none = `(?:${num}%|${num}|none)`;
var hue = `(?:${num}(deg|grad|rad|turn)|${num})`;
var hue_none = `(?:${num}(deg|grad|rad|turn)|${num}|none)`;
var c = `\\s*,\\s*`;
var rx_num_per_none = new RegExp("^" + num_per_none + "$");

// src/rgb/parseRgbLegacy.js
var rgb_num_old = new RegExp(
  `^rgba?\$\\s*${num}${c}${num}${c}${num}\\s*(?:,\\s*${num_per}\\s*)?\$$`
);
var rgb_per_old = new RegExp(
  `^rgba?\$\\s*${per}${c}${per}${c}${per}\\s*(?:,\\s*${num_per}\\s*)?\$$`
);
var parseRgbLegacy = (color) => {
  let res = { mode: "rgb" };
  let match;
  if (match = color.match(rgb_num_old)) {
    if (match[1] !== void 0) {
      res.r = match[1] / 255;
    }
    if (match[2] !== void 0) {
      res.g = match[2] / 255;
    }
    if (match[3] !== void 0) {
      res.b = match[3] / 255;
    }
  } else if (match = color.match(rgb_per_old)) {
    if (match[1] !== void 0) {
      res.r = match[1] / 100;
    }
    if (match[2] !== void 0) {
      res.g = match[2] / 100;
    }
    if (match[3] !== void 0) {
      res.b = match[3] / 100;
    }
  } else {
    return void 0;
  }
  if (match[4] !== void 0) {
    res.alpha = match[4] / 100;
  } else if (match[5] !== void 0) {
    res.alpha = +match[5];
  }
  return res;
};
var parseRgbLegacy_default = parseRgbLegacy;

// src/_prepare.js
var prepare = (color, mode) => color === void 0 ? void 0 : typeof color !== "object" ? parse_default(color) : color.mode !== void 0 ? color : mode ? { ...color, mode } : void 0;
var prepare_default = prepare;

// src/converter.js
var converter = (target_mode = "rgb") => (color) => (color = prepare_default(color, target_mode)) !== void 0 ? (
  // if the color's mode corresponds to our target mode
  color.mode === target_mode ? (
    // then just return the color
    color
  ) : (
    // otherwise check to see if we have a dedicated
    // converter for the target mode
    converters[color.mode][target_mode] ? (
      // and return its result...
      converters[color.mode][target_mode](color)
    ) : (
      // ...otherwise pass through RGB as an intermediary step.
      // if the target mode is RGB...
      target_mode === "rgb" ? (
        // just return the RGB
        converters[color.mode].rgb(color)
      ) : (
        // otherwise convert color.mode -> RGB -> target_mode
        converters.rgb[target_mode](converters[color.mode].rgb(color))
      )
    )
  )
) : void 0;
var converter_default = converter;

// src/modes.js
var converters = {};
var modes = {};
var parsers = [];
var colorProfiles = {};
var identity = (v) => v;
var useMode = (definition28) => {
  converters[definition28.mode] = {
    ...converters[definition28.mode],
    ...definition28.toMode
  };
  Object.keys(definition28.fromMode || {}).forEach((k4) => {
    if (!converters[k4]) {
      converters[k4] = {};
    }
    converters[k4][definition28.mode] = definition28.fromMode[k4];
  });
  if (!definition28.ranges) {
    definition28.ranges = {};
  }
  if (!definition28.difference) {
    definition28.difference = {};
  }
  definition28.channels.forEach((channel) => {
    if (definition28.ranges[channel] === void 0) {
      definition28.ranges[channel] = [0, 1];
    }
    if (!definition28.interpolate[channel]) {
      throw new Error(`Missing interpolator for: ${channel}`);
    }
    if (typeof definition28.interpolate[channel] === "function") {
      definition28.interpolate[channel] = {
        use: definition28.interpolate[channel]
      };
    }
    if (!definition28.interpolate[channel].fixup) {
      definition28.interpolate[channel].fixup = identity;
    }
  });
  modes[definition28.mode] = definition28;
  (definition28.parse || []).forEach((parser) => {
    useParser(parser, definition28.mode);
  });
  return converter_default(definition28.mode);
};
var getMode = (mode) => modes[mode];
var useParser = (parser, mode) => {
  if (typeof parser === "string") {
    if (!mode) {
      throw new Error(`'mode' required when 'parser' is a string`);
    }
    colorProfiles[parser] = mode;
  } else if (typeof parser === "function") {
    if (parsers.indexOf(parser) < 0) {
      parsers.push(parser);
    }
  }
};
var removeParser = (parser) => {
  if (typeof parser === "string") {
    delete colorProfiles[parser];
  } else if (typeof parser === "function") {
    const idx = parsers.indexOf(parser);
    if (idx > 0) {
      parsers.splice(idx, 1);
    }
  }
};

// src/parse.js
var IdentStartCodePoint = /[^\x00-\x7F]|[a-zA-Z_]/;
var IdentCodePoint = /[^\x00-\x7F]|[-\w]/;
var Tok = {
  Function: "function",
  Ident: "ident",
  Number: "number",
  Percentage: "percentage",
  ParenClose: ")",
  None: "none",
  Hue: "hue",
  Alpha: "alpha"
};
var _i = 0;
function is_num(chars) {
  let ch = chars[_i];
  let ch1 = chars[_i + 1];
  if (ch === "-" || ch === "+") {
    return /\d/.test(ch1) || ch1 === "." && /\d/.test(chars[_i + 2]);
  }
  if (ch === ".") {
    return /\d/.test(ch1);
  }
  return /\d/.test(ch);
}
function is_ident(chars) {
  if (_i >= chars.length) {
    return false;
  }
  let ch = chars[_i];
  if (IdentStartCodePoint.test(ch)) {
    return true;
  }
  if (ch === "-") {
    if (chars.length - _i < 2) {
      return false;
    }
    let ch1 = chars[_i + 1];
    if (ch1 === "-" || IdentStartCodePoint.test(ch1)) {
      return true;
    }
    return false;
  }
  return false;
}
var huenits = {
  deg: 1,
  rad: 180 / Math.PI,
  grad: 9 / 10,
  turn: 360
};
function num2(chars) {
  let value = "";
  if (chars[_i] === "-" || chars[_i] === "+") {
    value += chars[_i++];
  }
  value += digits(chars);
  if (chars[_i] === "." && /\d/.test(chars[_i + 1])) {
    value += chars[_i++] + digits(chars);
  }
  if (chars[_i] === "e" || chars[_i] === "E") {
    if ((chars[_i + 1] === "-" || chars[_i + 1] === "+") && /\d/.test(chars[_i + 2])) {
      value += chars[_i++] + chars[_i++] + digits(chars);
    } else if (/\d/.test(chars[_i + 1])) {
      value += chars[_i++] + digits(chars);
    }
  }
  if (is_ident(chars)) {
    let id = ident(chars);
    if (id === "deg" || id === "rad" || id === "turn" || id === "grad") {
      return { type: Tok.Hue, value: value * huenits[id] };
    }
    return void 0;
  }
  if (chars[_i] === "%") {
    _i++;
    return { type: Tok.Percentage, value: +value };
  }
  return { type: Tok.Number, value: +value };
}
function digits(chars) {
  let v = "";
  while (/\d/.test(chars[_i])) {
    v += chars[_i++];
  }
  return v;
}
function ident(chars) {
  let v = "";
  while (_i < chars.length && IdentCodePoint.test(chars[_i])) {
    v += chars[_i++];
  }
  return v;
}
function identlike(chars) {
  let v = ident(chars);
  if (chars[_i] === "(") {
    _i++;
    return { type: Tok.Function, value: v };
  }
  if (v === "none") {
    return { type: Tok.None, value: void 0 };
  }
  return { type: Tok.Ident, value: v };
}
function tokenize(str = "") {
  let chars = str.trim();
  let tokens = [];
  let ch;
  _i = 0;
  while (_i < chars.length) {
    ch = chars[_i++];
    if (ch === "\n" || ch === "	" || ch === " ") {
      while (_i < chars.length && (chars[_i] === "\n" || chars[_i] === "	" || chars[_i] === " ")) {
        _i++;
      }
      continue;
    }
    if (ch === ",") {
      return void 0;
    }
    if (ch === ")") {
      tokens.push({ type: Tok.ParenClose });
      continue;
    }
    if (ch === "+") {
      _i--;
      if (is_num(chars)) {
        tokens.push(num2(chars));
        continue;
      }
      return void 0;
    }
    if (ch === "-") {
      _i--;
      if (is_num(chars)) {
        tokens.push(num2(chars));
        continue;
      }
      if (is_ident(chars)) {
        tokens.push({ type: Tok.Ident, value: ident(chars) });
        continue;
      }
      return void 0;
    }
    if (ch === ".") {
      _i--;
      if (is_num(chars)) {
        tokens.push(num2(chars));
        continue;
      }
      return void 0;
    }
    if (ch === "/") {
      while (_i < chars.length && (chars[_i] === "\n" || chars[_i] === "	" || chars[_i] === " ")) {
        _i++;
      }
      let alpha;
      if (is_num(chars)) {
        alpha = num2(chars);
        if (alpha.type !== Tok.Hue) {
          tokens.push({ type: Tok.Alpha, value: alpha });
          continue;
        }
      }
      if (is_ident(chars)) {
        if (ident(chars) === "none") {
          tokens.push({
            type: Tok.Alpha,
            value: { type: Tok.None, value: void 0 }
          });
          continue;
        }
      }
      return void 0;
    }
    if (/\d/.test(ch)) {
      _i--;
      tokens.push(num2(chars));
      continue;
    }
    if (IdentStartCodePoint.test(ch)) {
      _i--;
      tokens.push(identlike(chars));
      continue;
    }
    return void 0;
  }
  return tokens;
}
function parseColorSyntax(tokens) {
  tokens._i = 0;
  let token = tokens[tokens._i++];
  if (!token || token.type !== Tok.Function || token.value !== "color") {
    return void 0;
  }
  token = tokens[tokens._i++];
  if (token.type !== Tok.Ident) {
    return void 0;
  }
  const mode = colorProfiles[token.value];
  if (!mode) {
    return void 0;
  }
  const res = { mode };
  const coords = consumeCoords(tokens, false);
  if (!coords) {
    return void 0;
  }
  const channels = getMode(mode).channels;
  for (let ii = 0, c4; ii < channels.length; ii++) {
    c4 = coords[ii];
    if (c4.type !== Tok.None) {
      res[channels[ii]] = c4.type === Tok.Number ? c4.value : c4.value / 100;
    }
  }
  return res;
}
function consumeCoords(tokens, includeHue) {
  const coords = [];
  let token;
  while (tokens._i < tokens.length) {
    token = tokens[tokens._i++];
    if (token.type === Tok.None || token.type === Tok.Number || token.type === Tok.Alpha || token.type === Tok.Percentage || includeHue && token.type === Tok.Hue) {
      coords.push(token);
      continue;
    }
    if (token.type === Tok.ParenClose) {
      if (tokens._i < tokens.length) {
        return void 0;
      }
      continue;
    }
    return void 0;
  }
  if (coords.length < 3 || coords.length > 4) {
    return void 0;
  }
  if (coords.length === 4) {
    if (coords[3].type !== Tok.Alpha) {
      return void 0;
    }
    coords[3] = coords[3].value;
  }
  if (coords.length === 3) {
    coords.push({ type: Tok.None, value: void 0 });
  }
  return coords.every((c4) => c4.type !== Tok.Alpha) ? coords : void 0;
}
function parseModernSyntax(tokens, includeHue) {
  tokens._i = 0;
  let token = tokens[tokens._i++];
  if (!token || token.type !== Tok.Function) {
    return void 0;
  }
  let coords = consumeCoords(tokens, includeHue);
  if (!coords) {
    return void 0;
  }
  coords.unshift(token.value);
  return coords;
}
var parse = (color) => {
  if (typeof color !== "string") {
    return void 0;
  }
  const tokens = tokenize(color);
  const parsed = tokens ? parseModernSyntax(tokens, true) : void 0;
  let result = void 0;
  let i = 0;
  let len = parsers.length;
  while (i < len) {
    if ((result = parsers[i++](color, parsed)) !== void 0) {
      return result;
    }
  }
  return tokens ? parseColorSyntax(tokens) : void 0;
};
var parse_default = parse;

// src/rgb/parseRgb.js
function parseRgb(color, parsed) {
  if (!parsed || parsed[0] !== "rgb" && parsed[0] !== "rgba") {
    return void 0;
  }
  const res = { mode: "rgb" };
  const [, r2, g, b, alpha] = parsed;
  if (r2.type === Tok.Hue || g.type === Tok.Hue || b.type === Tok.Hue) {
    return void 0;
  }
  if (r2.type !== Tok.None) {
    res.r = r2.type === Tok.Number ? r2.value / 255 : r2.value / 100;
  }
  if (g.type !== Tok.None) {
    res.g = g.type === Tok.Number ? g.value / 255 : g.value / 100;
  }
  if (b.type !== Tok.None) {
    res.b = b.type === Tok.Number ? b.value / 255 : b.value / 100;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseRgb_default = parseRgb;

// src/rgb/parseTransparent.js
var parseTransparent = (c4) => c4 === "transparent" ? { mode: "rgb", r: 0, g: 0, b: 0, alpha: 0 } : void 0;
var parseTransparent_default = parseTransparent;

// src/interpolate/lerp.js
var lerp = (a, b, t) => a + t * (b - a);
var unlerp = (a, b, v) => (v - a) / (b - a);
var blerp = (a00, a01, a10, a11, tx, ty) => {
  return lerp(lerp(a00, a01, tx), lerp(a10, a11, tx), ty);
};
var trilerp = (a000, a010, a100, a110, a001, a011, a101, a111, tx, ty, tz) => {
  return lerp(
    blerp(a000, a010, a100, a110, tx, ty),
    blerp(a001, a011, a101, a111, tx, ty),
    tz
  );
};

// src/interpolate/piecewise.js
var get_classes = (arr) => {
  let classes = [];
  for (let i = 0; i < arr.length - 1; i++) {
    let a = arr[i];
    let b = arr[i + 1];
    if (a === void 0 && b === void 0) {
      classes.push(void 0);
    } else if (a !== void 0 && b !== void 0) {
      classes.push([a, b]);
    } else {
      classes.push(a !== void 0 ? [a, a] : [b, b]);
    }
  }
  return classes;
};
var interpolatorPiecewise = (interpolator2) => (arr) => {
  let classes = get_classes(arr);
  return (t) => {
    let cls = t * classes.length;
    let idx = t >= 1 ? classes.length - 1 : Math.max(Math.floor(cls), 0);
    let pair = classes[idx];
    return pair === void 0 ? void 0 : interpolator2(pair[0], pair[1], cls - idx);
  };
};

// src/interpolate/linear.js
var interpolatorLinear = interpolatorPiecewise(lerp);

// src/fixup/alpha.js
var fixupAlpha = (arr) => {
  let some_defined = false;
  let res = arr.map((v) => {
    if (v !== void 0) {
      some_defined = true;
      return v;
    }
    return 1;
  });
  return some_defined ? res : arr;
};

// src/rgb/definition.js
var definition = {
  mode: "rgb",
  channels: ["r", "g", "b", "alpha"],
  parse: [
    parseRgb_default,
    parseHex_default,
    parseRgbLegacy_default,
    parseNamed_default,
    parseTransparent_default,
    "srgb"
  ],
  serialize: "srgb",
  interpolate: {
    r: interpolatorLinear,
    g: interpolatorLinear,
    b: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  gamut: true
};
var definition_default = definition;

// src/a98/convertA98ToXyz65.js
var linearize = (v) => Math.pow(Math.abs(v), 563 / 256) * Math.sign(v);
var convertA98ToXyz65 = (a982) => {
  let r2 = linearize(a982.r);
  let g = linearize(a982.g);
  let b = linearize(a982.b);
  let res = {
    mode: "xyz65",
    x: 0.5766690429101305 * r2 + 0.1855582379065463 * g + 0.1882286462349947 * b,
    y: 0.297344975250536 * r2 + 0.6273635662554661 * g + 0.0752914584939979 * b,
    z: 0.0270313613864123 * r2 + 0.0706888525358272 * g + 0.9913375368376386 * b
  };
  if (a982.alpha !== void 0) {
    res.alpha = a982.alpha;
  }
  return res;
};
var convertA98ToXyz65_default = convertA98ToXyz65;

// src/a98/convertXyz65ToA98.js
var gamma = (v) => Math.pow(Math.abs(v), 256 / 563) * Math.sign(v);
var convertXyz65ToA98 = ({ x, y, z, alpha }) => {
  let res = {
    mode: "a98",
    r: gamma(
      x * 2.0415879038107465 - y * 0.5650069742788597 - 0.3447313507783297 * z
    ),
    g: gamma(
      x * -0.9692436362808798 + y * 1.8759675015077206 + 0.0415550574071756 * z
    ),
    b: gamma(
      x * 0.0134442806320312 - y * 0.1183623922310184 + 1.0151749943912058 * z
    )
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToA98_default = convertXyz65ToA98;

// src/lrgb/convertRgbToLrgb.js
var fn = (c4) => {
  const abs3 = Math.abs(c4);
  if (abs3 <= 0.04045) {
    return c4 / 12.92;
  }
  return (Math.sign(c4) || 1) * Math.pow((abs3 + 0.055) / 1.055, 2.4);
};
var convertRgbToLrgb = ({ r: r2, g, b, alpha }) => {
  let res = {
    mode: "lrgb",
    r: fn(r2),
    g: fn(g),
    b: fn(b)
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertRgbToLrgb_default = convertRgbToLrgb;

// src/xyz65/convertRgbToXyz65.js
var convertRgbToXyz65 = (rgb4) => {
  let { r: r2, g, b, alpha } = convertRgbToLrgb_default(rgb4);
  let res = {
    mode: "xyz65",
    x: 0.4123907992659593 * r2 + 0.357584339383878 * g + 0.1804807884018343 * b,
    y: 0.2126390058715102 * r2 + 0.715168678767756 * g + 0.0721923153607337 * b,
    z: 0.0193308187155918 * r2 + 0.119194779794626 * g + 0.9505321522496607 * b
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertRgbToXyz65_default = convertRgbToXyz65;

// src/lrgb/convertLrgbToRgb.js
var fn2 = (c4) => {
  const abs3 = Math.abs(c4);
  if (abs3 > 31308e-7) {
    return (Math.sign(c4) || 1) * (1.055 * Math.pow(abs3, 1 / 2.4) - 0.055);
  }
  return c4 * 12.92;
};
var convertLrgbToRgb = ({ r: r2, g, b, alpha }, mode = "rgb") => {
  let res = {
    mode,
    r: fn2(r2),
    g: fn2(g),
    b: fn2(b)
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertLrgbToRgb_default = convertLrgbToRgb;

// src/xyz65/convertXyz65ToRgb.js
var convertXyz65ToRgb = ({ x, y, z, alpha }) => {
  let res = convertLrgbToRgb_default({
    r: x * 3.2409699419045226 - y * 1.537383177570094 - 0.4986107602930034 * z,
    g: x * -0.9692436362808796 + y * 1.8759675015077204 + 0.0415550574071756 * z,
    b: x * 0.0556300796969936 - y * 0.2039769588889765 + 1.0569715142428784 * z
  });
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToRgb_default = convertXyz65ToRgb;

// src/a98/definition.js
var definition2 = {
  ...definition_default,
  mode: "a98",
  parse: ["a98-rgb"],
  serialize: "a98-rgb",
  fromMode: {
    rgb: (color) => convertXyz65ToA98_default(convertRgbToXyz65_default(color)),
    xyz65: convertXyz65ToA98_default
  },
  toMode: {
    rgb: (color) => convertXyz65ToRgb_default(convertA98ToXyz65_default(color)),
    xyz65: convertA98ToXyz65_default
  }
};
var definition_default2 = definition2;

// src/util/normalizeHue.js
var normalizeHue = (hue3) => (hue3 = hue3 % 360) < 0 ? hue3 + 360 : hue3;
var normalizeHue_default = normalizeHue;

// src/fixup/hue.js
var hue2 = (hues, fn5) => {
  return hues.map((hue3, idx, arr) => {
    if (hue3 === void 0) {
      return hue3;
    }
    let normalized = normalizeHue_default(hue3);
    if (idx === 0 || hues[idx - 1] === void 0) {
      return normalized;
    }
    return fn5(normalized - normalizeHue_default(arr[idx - 1]));
  }).reduce((acc, curr) => {
    if (!acc.length || curr === void 0 || acc[acc.length - 1] === void 0) {
      acc.push(curr);
      return acc;
    }
    acc.push(curr + acc[acc.length - 1]);
    return acc;
  }, []);
};
var fixupHueShorter = (arr) => hue2(arr, (d) => Math.abs(d) <= 180 ? d : d - 360 * Math.sign(d));
var fixupHueLonger = (arr) => hue2(arr, (d) => Math.abs(d) >= 180 || d === 0 ? d : d - 360 * Math.sign(d));
var fixupHueIncreasing = (arr) => hue2(arr, (d) => d >= 0 ? d : d + 360);
var fixupHueDecreasing = (arr) => hue2(arr, (d) => d <= 0 ? d : d - 360);

// src/cubehelix/constants.js
var M = [-0.14861, 1.78277, -0.29227, -0.90649, 1.97294, 0];
var degToRad = Math.PI / 180;
var radToDeg = 180 / Math.PI;

// src/cubehelix/convertRgbToCubehelix.js
var DE = M[3] * M[4];
var BE = M[1] * M[4];
var BCAD = M[1] * M[2] - M[0] * M[3];
var convertRgbToCubehelix = ({ r: r2, g, b, alpha }) => {
  let l = (BCAD * b + r2 * DE - g * BE) / (BCAD + DE - BE);
  let x = b - l;
  let y = (M[4] * (g - l) - M[2] * x) / M[3];
  let res = {
    mode: "cubehelix",
    l,
    s: l === 0 || l === 1 ? void 0 : Math.sqrt(x * x + y * y) / (M[4] * l * (1 - l))
  };
  if (res.s)
    res.h = Math.atan2(y, x) * radToDeg - 120;
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertRgbToCubehelix_default = convertRgbToCubehelix;

// src/cubehelix/convertCubehelixToRgb.js
var convertCubehelixToRgb = ({ h, s, l, alpha }) => {
  let res = { mode: "rgb" };
  h = (h === void 0 ? 0 : h + 120) * degToRad;
  let amp = s === void 0 ? 0 : s * l * (1 - l);
  let cosh = Math.cos(h);
  let sinh = Math.sin(h);
  res.r = l + amp * (M[0] * cosh + M[1] * sinh);
  res.g = l + amp * (M[2] * cosh + M[3] * sinh);
  res.b = l + amp * (M[4] * cosh + M[5] * sinh);
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertCubehelixToRgb_default = convertCubehelixToRgb;

// src/difference.js
var differenceHueSaturation = (std, smp) => {
  if (std.h === void 0 || smp.h === void 0 || !std.s || !smp.s) {
    return 0;
  }
  let std_h = normalizeHue_default(std.h);
  let smp_h = normalizeHue_default(smp.h);
  let dH = Math.sin((smp_h - std_h + 360) / 2 * Math.PI / 180);
  return 2 * Math.sqrt(std.s * smp.s) * dH;
};
var differenceHueNaive = (std, smp) => {
  if (std.h === void 0 || smp.h === void 0) {
    return 0;
  }
  let std_h = normalizeHue_default(std.h);
  let smp_h = normalizeHue_default(smp.h);
  if (Math.abs(smp_h - std_h) > 180) {
    return std_h - (smp_h - 360 * Math.sign(smp_h - std_h));
  }
  return smp_h - std_h;
};
var differenceHueChroma = (std, smp) => {
  if (std.h === void 0 || smp.h === void 0 || !std.c || !smp.c) {
    return 0;
  }
  let std_h = normalizeHue_default(std.h);
  let smp_h = normalizeHue_default(smp.h);
  let dH = Math.sin((smp_h - std_h + 360) / 2 * Math.PI / 180);
  return 2 * Math.sqrt(std.c * smp.c) * dH;
};
var differenceEuclidean = (mode = "rgb", weights = [1, 1, 1, 0]) => {
  let def = getMode(mode);
  let channels = def.channels;
  let diffs = def.difference;
  let conv = converter_default(mode);
  return (std, smp) => {
    let ConvStd = conv(std);
    let ConvSmp = conv(smp);
    return Math.sqrt(
      channels.reduce((sum, k4, idx) => {
        let delta = diffs[k4] ? diffs[k4](ConvStd, ConvSmp) : ConvStd[k4] - ConvSmp[k4];
        return sum + (weights[idx] || 0) * Math.pow(isNaN(delta) ? 0 : delta, 2);
      }, 0)
    );
  };
};
var differenceCie76 = () => differenceEuclidean("lab65");
var differenceCie94 = (kL = 1, K1 = 0.045, K2 = 0.015) => {
  let lab2 = converter_default("lab65");
  return (std, smp) => {
    let LabStd = lab2(std);
    let LabSmp = lab2(smp);
    let lStd = LabStd.l;
    let aStd = LabStd.a;
    let bStd = LabStd.b;
    let cStd = Math.sqrt(aStd * aStd + bStd * bStd);
    let lSmp = LabSmp.l;
    let aSmp = LabSmp.a;
    let bSmp = LabSmp.b;
    let cSmp = Math.sqrt(aSmp * aSmp + bSmp * bSmp);
    let dL2 = Math.pow(lStd - lSmp, 2);
    let dC2 = Math.pow(cStd - cSmp, 2);
    let dH2 = Math.pow(aStd - aSmp, 2) + Math.pow(bStd - bSmp, 2) - dC2;
    return Math.sqrt(
      dL2 / Math.pow(kL, 2) + dC2 / Math.pow(1 + K1 * cStd, 2) + dH2 / Math.pow(1 + K2 * cStd, 2)
    );
  };
};
var differenceCiede2000 = (Kl = 1, Kc = 1, Kh = 1) => {
  let lab2 = converter_default("lab65");
  return (std, smp) => {
    let LabStd = lab2(std);
    let LabSmp = lab2(smp);
    let lStd = LabStd.l;
    let aStd = LabStd.a;
    let bStd = LabStd.b;
    let cStd = Math.sqrt(aStd * aStd + bStd * bStd);
    let lSmp = LabSmp.l;
    let aSmp = LabSmp.a;
    let bSmp = LabSmp.b;
    let cSmp = Math.sqrt(aSmp * aSmp + bSmp * bSmp);
    let cAvg = (cStd + cSmp) / 2;
    let G = 0.5 * (1 - Math.sqrt(
      Math.pow(cAvg, 7) / (Math.pow(cAvg, 7) + Math.pow(25, 7))
    ));
    let apStd = aStd * (1 + G);
    let apSmp = aSmp * (1 + G);
    let cpStd = Math.sqrt(apStd * apStd + bStd * bStd);
    let cpSmp = Math.sqrt(apSmp * apSmp + bSmp * bSmp);
    let hpStd = Math.abs(apStd) + Math.abs(bStd) === 0 ? 0 : Math.atan2(bStd, apStd);
    hpStd += (hpStd < 0) * 2 * Math.PI;
    let hpSmp = Math.abs(apSmp) + Math.abs(bSmp) === 0 ? 0 : Math.atan2(bSmp, apSmp);
    hpSmp += (hpSmp < 0) * 2 * Math.PI;
    let dL = lSmp - lStd;
    let dC = cpSmp - cpStd;
    let dhp = cpStd * cpSmp === 0 ? 0 : hpSmp - hpStd;
    dhp -= (dhp > Math.PI) * 2 * Math.PI;
    dhp += (dhp < -Math.PI) * 2 * Math.PI;
    let dH = 2 * Math.sqrt(cpStd * cpSmp) * Math.sin(dhp / 2);
    let Lp = (lStd + lSmp) / 2;
    let Cp = (cpStd + cpSmp) / 2;
    let hp;
    if (cpStd * cpSmp === 0) {
      hp = hpStd + hpSmp;
    } else {
      hp = (hpStd + hpSmp) / 2;
      hp -= (Math.abs(hpStd - hpSmp) > Math.PI) * Math.PI;
      hp += (hp < 0) * 2 * Math.PI;
    }
    let Lpm50 = Math.pow(Lp - 50, 2);
    let T = 1 - 0.17 * Math.cos(hp - Math.PI / 6) + 0.24 * Math.cos(2 * hp) + 0.32 * Math.cos(3 * hp + Math.PI / 30) - 0.2 * Math.cos(4 * hp - 63 * Math.PI / 180);
    let Sl = 1 + 0.015 * Lpm50 / Math.sqrt(20 + Lpm50);
    let Sc = 1 + 0.045 * Cp;
    let Sh = 1 + 0.015 * Cp * T;
    let deltaTheta = 30 * Math.PI / 180 * Math.exp(-1 * Math.pow((180 / Math.PI * hp - 275) / 25, 2));
    let Rc = 2 * Math.sqrt(Math.pow(Cp, 7) / (Math.pow(Cp, 7) + Math.pow(25, 7)));
    let Rt = -1 * Math.sin(2 * deltaTheta) * Rc;
    return Math.sqrt(
      Math.pow(dL / (Kl * Sl), 2) + Math.pow(dC / (Kc * Sc), 2) + Math.pow(dH / (Kh * Sh), 2) + Rt * dC / (Kc * Sc) * dH / (Kh * Sh)
    );
  };
};
var differenceCmc = (l = 1, c4 = 1) => {
  let lab2 = converter_default("lab65");
  return (std, smp) => {
    let LabStd = lab2(std);
    let lStd = LabStd.l;
    let aStd = LabStd.a;
    let bStd = LabStd.b;
    let cStd = Math.sqrt(aStd * aStd + bStd * bStd);
    let hStd = Math.atan2(bStd, aStd);
    hStd = hStd + 2 * Math.PI * (hStd < 0);
    let LabSmp = lab2(smp);
    let lSmp = LabSmp.l;
    let aSmp = LabSmp.a;
    let bSmp = LabSmp.b;
    let cSmp = Math.sqrt(aSmp * aSmp + bSmp * bSmp);
    let dL2 = Math.pow(lStd - lSmp, 2);
    let dC2 = Math.pow(cStd - cSmp, 2);
    let dH2 = Math.pow(aStd - aSmp, 2) + Math.pow(bStd - bSmp, 2) - dC2;
    let F = Math.sqrt(Math.pow(cStd, 4) / (Math.pow(cStd, 4) + 1900));
    let T = hStd >= 164 / 180 * Math.PI && hStd <= 345 / 180 * Math.PI ? 0.56 + Math.abs(0.2 * Math.cos(hStd + 168 / 180 * Math.PI)) : 0.36 + Math.abs(0.4 * Math.cos(hStd + 35 / 180 * Math.PI));
    let Sl = lStd < 16 ? 0.511 : 0.040975 * lStd / (1 + 0.01765 * lStd);
    let Sc = 0.0638 * cStd / (1 + 0.0131 * cStd) + 0.638;
    let Sh = Sc * (F * T + 1 - F);
    return Math.sqrt(
      dL2 / Math.pow(l * Sl, 2) + dC2 / Math.pow(c4 * Sc, 2) + dH2 / Math.pow(Sh, 2)
    );
  };
};
var differenceHyab = () => {
  let lab2 = converter_default("lab65");
  return (std, smp) => {
    let LabStd = lab2(std);
    let LabSmp = lab2(smp);
    let dL = LabStd.l - LabSmp.l;
    let dA = LabStd.a - LabSmp.a;
    let dB = LabStd.b - LabSmp.b;
    return Math.abs(dL) + Math.sqrt(dA * dA + dB * dB);
  };
};
var differenceKotsarenkoRamos = () => differenceEuclidean("yiq", [0.5053, 0.299, 0.1957]);

// src/average.js
var averageAngle = (val) => {
  let sum = val.reduce(
    (sum2, val2) => {
      if (val2 !== void 0) {
        let rad = val2 * Math.PI / 180;
        sum2.sin += Math.sin(rad);
        sum2.cos += Math.cos(rad);
      }
      return sum2;
    },
    { sin: 0, cos: 0 }
  );
  return Math.atan2(sum.sin, sum.cos) * 180 / Math.PI;
};
var averageNumber = (val) => {
  let a = val.filter((v) => v !== void 0);
  return a.length ? a.reduce((sum, v) => sum + v, 0) / a.length : void 0;
};
var isfn = (o) => typeof o === "function";
function average(colors, mode = "rgb", overrides) {
  let def = getMode(mode);
  let cc = colors.map(converter_default(mode));
  return def.channels.reduce(
    (res, ch) => {
      let arr = cc.map((c4) => c4[ch]).filter((val) => val !== void 0);
      if (arr.length) {
        let fn5;
        if (isfn(overrides)) {
          fn5 = overrides;
        } else if (overrides && isfn(overrides[ch])) {
          fn5 = overrides[ch];
        } else if (def.average && isfn(def.average[ch])) {
          fn5 = def.average[ch];
        } else {
          fn5 = averageNumber;
        }
        res[ch] = fn5(arr, ch);
      }
      return res;
    },
    { mode }
  );
}

// src/cubehelix/definition.js
var definition3 = {
  mode: "cubehelix",
  channels: ["h", "s", "l", "alpha"],
  parse: ["--cubehelix"],
  serialize: "--cubehelix",
  ranges: {
    h: [0, 360],
    s: [0, 4.614],
    l: [0, 1]
  },
  fromMode: {
    rgb: convertRgbToCubehelix_default
  },
  toMode: {
    rgb: convertCubehelixToRgb_default
  },
  interpolate: {
    h: {
      use: interpolatorLinear,
      fixup: fixupHueShorter
    },
    s: interpolatorLinear,
    l: interpolatorLinear,
    alpha: {
      use: interpolatorLinear,
      fixup: fixupAlpha
    }
  },
  difference: {
    h: differenceHueSaturation
  },
  average: {
    h: averageAngle
  }
};
var definition_default3 = definition3;

// src/lch/convertLabToLch.js
var convertLabToLch = ({ l, a, b, alpha }, mode = "lch") => {
  let c4 = Math.sqrt(a * a + b * b);
  let res = { mode, l, c: c4 };
  if (c4)
    res.h = normalizeHue_default(Math.atan2(b, a) * 180 / Math.PI);
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertLabToLch_default = convertLabToLch;

// src/lch/convertLchToLab.js
var convertLchToLab = ({ l, c: c4, h, alpha }, mode = "lab") => {
  let res = {
    mode,
    l,
    a: c4 ? c4 * Math.cos(h / 180 * Math.PI) : 0,
    b: c4 ? c4 * Math.sin(h / 180 * Math.PI) : 0
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertLchToLab_default = convertLchToLab;

// src/xyz65/constants.js
var k = Math.pow(29, 3) / Math.pow(3, 3);
var e = Math.pow(6, 3) / Math.pow(29, 3);

// src/constants.js
var D50 = {
  X: 0.3457 / 0.3585,
  Y: 1,
  Z: (1 - 0.3457 - 0.3585) / 0.3585
};
var D65 = {
  X: 0.3127 / 0.329,
  Y: 1,
  Z: (1 - 0.3127 - 0.329) / 0.329
};
var k2 = Math.pow(29, 3) / Math.pow(3, 3);
var e2 = Math.pow(6, 3) / Math.pow(29, 3);

// src/lab65/convertLab65ToXyz65.js
var fn3 = (v) => Math.pow(v, 3) > e ? Math.pow(v, 3) : (116 * v - 16) / k;
var convertLab65ToXyz65 = ({ l, a, b, alpha }) => {
  let fy = (l + 16) / 116;
  let fx = a / 500 + fy;
  let fz = fy - b / 200;
  let res = {
    mode: "xyz65",
    x: fn3(fx) * D65.X,
    y: fn3(fy) * D65.Y,
    z: fn3(fz) * D65.Z
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertLab65ToXyz65_default = convertLab65ToXyz65;

// src/lab65/convertLab65ToRgb.js
var convertLab65ToRgb = (lab2) => convertXyz65ToRgb_default(convertLab65ToXyz65_default(lab2));
var convertLab65ToRgb_default = convertLab65ToRgb;

// src/lab65/convertXyz65ToLab65.js
var f = (value) => value > e ? Math.cbrt(value) : (k * value + 16) / 116;
var convertXyz65ToLab65 = ({ x, y, z, alpha }) => {
  let f0 = f(x / D65.X);
  let f1 = f(y / D65.Y);
  let f22 = f(z / D65.Z);
  let res = {
    mode: "lab65",
    l: 116 * f1 - 16,
    a: 500 * (f0 - f1),
    b: 200 * (f1 - f22)
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToLab65_default = convertXyz65ToLab65;

// src/lab65/convertRgbToLab65.js
var convertRgbToLab65 = (rgb4) => {
  let res = convertXyz65ToLab65_default(convertRgbToXyz65_default(rgb4));
  if (rgb4.r === rgb4.b && rgb4.b === rgb4.g) {
    res.a = res.b = 0;
  }
  return res;
};
var convertRgbToLab65_default = convertRgbToLab65;

// src/dlch/constants.js
var kE = 1;
var kCH = 1;
var \u03B8 = 26 / 180 * Math.PI;
var cos\u03B8 = Math.cos(\u03B8);
var sin\u03B8 = Math.sin(\u03B8);
var factor = 100 / Math.log(139 / 100);

// src/dlch/convertDlchToLab65.js
var convertDlchToLab65 = ({ l, c: c4, h, alpha }) => {
  let res = {
    mode: "lab65",
    l: (Math.exp(l * kE / factor) - 1) / 39e-4
  };
  if (h === void 0) {
    res.a = res.b = 0;
  } else {
    let G = (Math.exp(0.0435 * c4 * kCH * kE) - 1) / 0.075;
    let e4 = G * Math.cos(h / 180 * Math.PI - \u03B8);
    let f3 = G * Math.sin(h / 180 * Math.PI - \u03B8);
    res.a = e4 * cos\u03B8 - f3 / 0.83 * sin\u03B8;
    res.b = e4 * sin\u03B8 + f3 / 0.83 * cos\u03B8;
  }
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertDlchToLab65_default = convertDlchToLab65;

// src/dlch/convertLab65ToDlch.js
var convertLab65ToDlch = ({ l, a, b, alpha }) => {
  let e4 = a * cos\u03B8 + b * sin\u03B8;
  let f3 = 0.83 * (b * cos\u03B8 - a * sin\u03B8);
  let G = Math.sqrt(e4 * e4 + f3 * f3);
  let res = {
    mode: "dlch",
    l: factor / kE * Math.log(1 + 39e-4 * l),
    c: Math.log(1 + 0.075 * G) / (0.0435 * kCH * kE)
  };
  if (res.c) {
    res.h = normalizeHue_default((Math.atan2(f3, e4) + \u03B8) / Math.PI * 180);
  }
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertLab65ToDlch_default = convertLab65ToDlch;

// src/dlab/definition.js
var convertDlabToLab65 = (c4) => convertDlchToLab65_default(convertLabToLch_default(c4, "dlch"));
var convertLab65ToDlab = (c4) => convertLchToLab_default(convertLab65ToDlch_default(c4), "dlab");
var definition4 = {
  mode: "dlab",
  parse: ["--din99o-lab"],
  serialize: "--din99o-lab",
  toMode: {
    lab65: convertDlabToLab65,
    rgb: (c4) => convertLab65ToRgb_default(convertDlabToLab65(c4))
  },
  fromMode: {
    lab65: convertLab65ToDlab,
    rgb: (c4) => convertLab65ToDlab(convertRgbToLab65_default(c4))
  },
  channels: ["l", "a", "b", "alpha"],
  ranges: {
    l: [0, 100],
    a: [-40.09, 45.501],
    b: [-40.469, 44.344]
  },
  interpolate: {
    l: interpolatorLinear,
    a: interpolatorLinear,
    b: interpolatorLinear,
    alpha: {
      use: interpolatorLinear,
      fixup: fixupAlpha
    }
  }
};
var definition_default4 = definition4;

// src/dlch/definition.js
var definition5 = {
  mode: "dlch",
  parse: ["--din99o-lch"],
  serialize: "--din99o-lch",
  toMode: {
    lab65: convertDlchToLab65_default,
    dlab: (c4) => convertLchToLab_default(c4, "dlab"),
    rgb: (c4) => convertLab65ToRgb_default(convertDlchToLab65_default(c4))
  },
  fromMode: {
    lab65: convertLab65ToDlch_default,
    dlab: (c4) => convertLabToLch_default(c4, "dlch"),
    rgb: (c4) => convertLab65ToDlch_default(convertRgbToLab65_default(c4))
  },
  channels: ["l", "c", "h", "alpha"],
  ranges: {
    l: [0, 100],
    c: [0, 51.484],
    h: [0, 360]
  },
  interpolate: {
    l: interpolatorLinear,
    c: interpolatorLinear,
    h: {
      use: interpolatorLinear,
      fixup: fixupHueShorter
    },
    alpha: {
      use: interpolatorLinear,
      fixup: fixupAlpha
    }
  },
  difference: {
    h: differenceHueChroma
  },
  average: {
    h: averageAngle
  }
};
var definition_default5 = definition5;

// src/hsi/convertHsiToRgb.js
function convertHsiToRgb({ h, s, i, alpha }) {
  h = normalizeHue_default(h);
  let f3 = Math.abs(h / 60 % 2 - 1);
  let res;
  switch (Math.floor(h / 60)) {
    case 0:
      res = {
        r: i * (1 + s * (3 / (2 - f3) - 1)),
        g: i * (1 + s * (3 * (1 - f3) / (2 - f3) - 1)),
        b: i * (1 - s)
      };
      break;
    case 1:
      res = {
        r: i * (1 + s * (3 * (1 - f3) / (2 - f3) - 1)),
        g: i * (1 + s * (3 / (2 - f3) - 1)),
        b: i * (1 - s)
      };
      break;
    case 2:
      res = {
        r: i * (1 - s),
        g: i * (1 + s * (3 / (2 - f3) - 1)),
        b: i * (1 + s * (3 * (1 - f3) / (2 - f3) - 1))
      };
      break;
    case 3:
      res = {
        r: i * (1 - s),
        g: i * (1 + s * (3 * (1 - f3) / (2 - f3) - 1)),
        b: i * (1 + s * (3 / (2 - f3) - 1))
      };
      break;
    case 4:
      res = {
        r: i * (1 + s * (3 * (1 - f3) / (2 - f3) - 1)),
        g: i * (1 - s),
        b: i * (1 + s * (3 / (2 - f3) - 1))
      };
      break;
    case 5:
      res = {
        r: i * (1 + s * (3 / (2 - f3) - 1)),
        g: i * (1 - s),
        b: i * (1 + s * (3 * (1 - f3) / (2 - f3) - 1))
      };
      break;
    default:
      res = { r: i * (1 - s), g: i * (1 - s), b: i * (1 - s) };
  }
  res.mode = "rgb";
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
}

// src/hsi/convertRgbToHsi.js
function convertRgbToHsi({ r: r2, g, b, alpha }) {
  let M2 = Math.max(r2, g, b), m = Math.min(r2, g, b);
  let res = {
    mode: "hsi",
    s: r2 + g + b === 0 ? 0 : 1 - 3 * m / (r2 + g + b),
    i: (r2 + g + b) / 3
  };
  if (M2 - m !== 0)
    res.h = (M2 === r2 ? (g - b) / (M2 - m) + (g < b) * 6 : M2 === g ? (b - r2) / (M2 - m) + 2 : (r2 - g) / (M2 - m) + 4) * 60;
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
}

// src/hsi/definition.js
var definition6 = {
  mode: "hsi",
  toMode: {
    rgb: convertHsiToRgb
  },
  parse: ["--hsi"],
  serialize: "--hsi",
  fromMode: {
    rgb: convertRgbToHsi
  },
  channels: ["h", "s", "i", "alpha"],
  ranges: {
    h: [0, 360]
  },
  gamut: "rgb",
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    s: interpolatorLinear,
    i: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueSaturation
  },
  average: {
    h: averageAngle
  }
};
var definition_default6 = definition6;

// src/hsl/convertHslToRgb.js
function convertHslToRgb({ h, s, l, alpha }) {
  h = normalizeHue_default(h);
  let m1 = l + s * (l < 0.5 ? l : 1 - l);
  let m2 = m1 - (m1 - l) * 2 * Math.abs(h / 60 % 2 - 1);
  let res;
  switch (Math.floor(h / 60)) {
    case 0:
      res = { r: m1, g: m2, b: 2 * l - m1 };
      break;
    case 1:
      res = { r: m2, g: m1, b: 2 * l - m1 };
      break;
    case 2:
      res = { r: 2 * l - m1, g: m1, b: m2 };
      break;
    case 3:
      res = { r: 2 * l - m1, g: m2, b: m1 };
      break;
    case 4:
      res = { r: m2, g: 2 * l - m1, b: m1 };
      break;
    case 5:
      res = { r: m1, g: 2 * l - m1, b: m2 };
      break;
    default:
      res = { r: 2 * l - m1, g: 2 * l - m1, b: 2 * l - m1 };
  }
  res.mode = "rgb";
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
}

// src/hsl/convertRgbToHsl.js
function convertRgbToHsl({ r: r2, g, b, alpha }) {
  let M2 = Math.max(r2, g, b), m = Math.min(r2, g, b);
  let res = {
    mode: "hsl",
    s: M2 === m ? 0 : (M2 - m) / (1 - Math.abs(M2 + m - 1)),
    l: 0.5 * (M2 + m)
  };
  if (M2 - m !== 0)
    res.h = (M2 === r2 ? (g - b) / (M2 - m) + (g < b) * 6 : M2 === g ? (b - r2) / (M2 - m) + 2 : (r2 - g) / (M2 - m) + 4) * 60;
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
}

// src/util/hue.js
var hueToDeg = (val, unit) => {
  switch (unit) {
    case "deg":
      return +val;
    case "rad":
      return val / Math.PI * 180;
    case "grad":
      return val / 10 * 9;
    case "turn":
      return val * 360;
  }
};
var hue_default = hueToDeg;

// src/hsl/parseHslLegacy.js
var hsl_old = new RegExp(
  `^hsla?\$\\s*${hue}${c}${per}${c}${per}\\s*(?:,\\s*${num_per}\\s*)?\$$`
);
var parseHslLegacy = (color) => {
  let match = color.match(hsl_old);
  if (!match)
    return;
  let res = { mode: "hsl" };
  if (match[3] !== void 0) {
    res.h = +match[3];
  } else if (match[1] !== void 0 && match[2] !== void 0) {
    res.h = hue_default(match[1], match[2]);
  }
  if (match[4] !== void 0) {
    res.s = Math.min(Math.max(0, match[4] / 100), 1);
  }
  if (match[5] !== void 0) {
    res.l = Math.min(Math.max(0, match[5] / 100), 1);
  }
  if (match[6] !== void 0) {
    res.alpha = match[6] / 100;
  } else if (match[7] !== void 0) {
    res.alpha = +match[7];
  }
  return res;
};
var parseHslLegacy_default = parseHslLegacy;

// src/hsl/parseHsl.js
function parseHsl(color, parsed) {
  if (!parsed || parsed[0] !== "hsl" && parsed[0] !== "hsla") {
    return void 0;
  }
  const res = { mode: "hsl" };
  const [, h, s, l, alpha] = parsed;
  if (h.type !== Tok.None) {
    if (h.type === Tok.Percentage) {
      return void 0;
    }
    res.h = h.value;
  }
  if (s.type !== Tok.None) {
    if (s.type === Tok.Hue) {
      return void 0;
    }
    res.s = s.type === Tok.Number ? s.value : s.value / 100;
  }
  if (l.type !== Tok.None) {
    if (l.type === Tok.Hue) {
      return void 0;
    }
    res.l = l.type === Tok.Number ? l.value : l.value / 100;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseHsl_default = parseHsl;

// src/hsl/definition.js
var definition7 = {
  mode: "hsl",
  toMode: {
    rgb: convertHslToRgb
  },
  fromMode: {
    rgb: convertRgbToHsl
  },
  channels: ["h", "s", "l", "alpha"],
  ranges: {
    h: [0, 360]
  },
  gamut: "rgb",
  parse: [parseHsl_default, parseHslLegacy_default],
  serialize: (c4) => `hsl(${c4.h || 0} ${c4.s !== void 0 ? c4.s * 100 + "%" : "none"} ${c4.l !== void 0 ? c4.l * 100 + "%" : "none"}${c4.alpha < 1 ? ` / ${c4.alpha}` : ""})`,
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    s: interpolatorLinear,
    l: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueSaturation
  },
  average: {
    h: averageAngle
  }
};
var definition_default7 = definition7;

// src/hsv/convertHsvToRgb.js
function convertHsvToRgb({ h, s, v, alpha }) {
  h = normalizeHue_default(h);
  let f3 = Math.abs(h / 60 % 2 - 1);
  let res;
  switch (Math.floor(h / 60)) {
    case 0:
      res = { r: v, g: v * (1 - s * f3), b: v * (1 - s) };
      break;
    case 1:
      res = { r: v * (1 - s * f3), g: v, b: v * (1 - s) };
      break;
    case 2:
      res = { r: v * (1 - s), g: v, b: v * (1 - s * f3) };
      break;
    case 3:
      res = { r: v * (1 - s), g: v * (1 - s * f3), b: v };
      break;
    case 4:
      res = { r: v * (1 - s * f3), g: v * (1 - s), b: v };
      break;
    case 5:
      res = { r: v, g: v * (1 - s), b: v * (1 - s * f3) };
      break;
    default:
      res = { r: v * (1 - s), g: v * (1 - s), b: v * (1 - s) };
  }
  res.mode = "rgb";
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
}

// src/hsv/convertRgbToHsv.js
function convertRgbToHsv({ r: r2, g, b, alpha }) {
  let M2 = Math.max(r2, g, b), m = Math.min(r2, g, b);
  let res = {
    mode: "hsv",
    s: M2 === 0 ? 0 : 1 - m / M2,
    v: M2
  };
  if (M2 - m !== 0)
    res.h = (M2 === r2 ? (g - b) / (M2 - m) + (g < b) * 6 : M2 === g ? (b - r2) / (M2 - m) + 2 : (r2 - g) / (M2 - m) + 4) * 60;
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
}

// src/hsv/definition.js
var definition8 = {
  mode: "hsv",
  toMode: {
    rgb: convertHsvToRgb
  },
  parse: ["--hsv"],
  serialize: "--hsv",
  fromMode: {
    rgb: convertRgbToHsv
  },
  channels: ["h", "s", "v", "alpha"],
  ranges: {
    h: [0, 360]
  },
  gamut: "rgb",
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    s: interpolatorLinear,
    v: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueSaturation
  },
  average: {
    h: averageAngle
  }
};
var definition_default8 = definition8;

// src/hwb/convertHwbToRgb.js
function convertHwbToRgb({ h, w, b, alpha }) {
  if (w + b > 1) {
    let s = w + b;
    w /= s;
    b /= s;
  }
  return convertHsvToRgb({
    h,
    s: b === 1 ? 1 : 1 - w / (1 - b),
    v: 1 - b,
    alpha
  });
}

// src/hwb/convertRgbToHwb.js
function convertRgbToHwb(rgba) {
  let hsv2 = convertRgbToHsv(rgba);
  if (hsv2 === void 0)
    return void 0;
  let res = {
    mode: "hwb",
    w: (1 - hsv2.s) * hsv2.v,
    b: 1 - hsv2.v
  };
  if (hsv2.h !== void 0)
    res.h = hsv2.h;
  if (hsv2.alpha !== void 0)
    res.alpha = hsv2.alpha;
  return res;
}

// src/hwb/parseHwb.js
function ParseHwb(color, parsed) {
  if (!parsed || parsed[0] !== "hwb") {
    return void 0;
  }
  const res = { mode: "hwb" };
  const [, h, w, b, alpha] = parsed;
  if (h.type !== Tok.None) {
    if (h.type === Tok.Percentage) {
      return void 0;
    }
    res.h = h.value;
  }
  if (w.type !== Tok.None) {
    if (w.type === Tok.Hue) {
      return void 0;
    }
    res.w = w.type === Tok.Number ? w.value : w.value / 100;
  }
  if (b.type !== Tok.None) {
    if (b.type === Tok.Hue) {
      return void 0;
    }
    res.b = b.type === Tok.Number ? b.value : b.value / 100;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseHwb_default = ParseHwb;

// src/hwb/definition.js
var definition9 = {
  mode: "hwb",
  toMode: {
    rgb: convertHwbToRgb
  },
  fromMode: {
    rgb: convertRgbToHwb
  },
  channels: ["h", "w", "b", "alpha"],
  ranges: {
    h: [0, 360]
  },
  gamut: "rgb",
  parse: [parseHwb_default],
  serialize: (c4) => `hwb(${c4.h || 0} ${c4.w * 100}% ${c4.b * 100}%${c4.alpha < 1 ? ` / ${c4.alpha}` : ""})`,
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    w: interpolatorLinear,
    b: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueNaive
  },
  average: {
    h: averageAngle
  }
};
var definition_default9 = definition9;

// src/jab/convertXyz65ToJab.js
var n = 0.1593017578125;
var p = 134.03437499999998;
var c1 = 0.8359375;
var c2 = 18.8515625;
var c3 = 18.6875;
var d0 = 16295499532821565e-27;
var pq = (v) => {
  let vn3 = Math.pow(v / 1e4, n);
  return Math.pow((c1 + c2 * vn3) / (1 + c3 * vn3), p) || 0;
};
var abs = (v) => Math.max(v * 203, 0);
var convertXyz65ToJab = ({ x, y, z, alpha }) => {
  x = abs(x);
  y = abs(y);
  z = abs(z);
  let xp = 1.15 * x - 0.15 * z;
  let yp = 0.66 * y + 0.34 * x;
  let l = pq(0.41478972 * xp + 0.579999 * yp + 0.014648 * z);
  let m = pq(-0.20151 * xp + 1.120649 * yp + 0.0531008 * z);
  let s = pq(-0.0166008 * xp + 0.2648 * yp + 0.6684799 * z);
  let i = (l + m) / 2;
  let res = {
    mode: "jab",
    j: 0.44 * i / (1 - 0.56 * i) - d0,
    a: 3.524 * l - 4.066708 * m + 0.542708 * s,
    b: 0.199076 * l + 1.096799 * m - 1.295875 * s
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToJab_default = convertXyz65ToJab;

// src/jab/convertJabToXyz65.js
var n2 = 0.1593017578125;
var p2 = 134.03437499999998;
var c12 = 0.8359375;
var c22 = 18.8515625;
var c32 = 18.6875;
var d02 = 16295499532821565e-27;
var pq_inv = (v) => {
  let vp = Math.pow(v, 1 / p2);
  return 1e4 * Math.pow((c12 - vp) / (c32 * vp - c22), 1 / n2) || 0;
};
var rel = (v) => v / 203;
var convertJabToXyz65 = ({ j, a, b, alpha }) => {
  let i = (j + d02) / (0.44 + 0.56 * (j + d02));
  let l = pq_inv(i + 0.13860504 * a + 0.058047316 * b);
  let m = pq_inv(i - 0.13860504 * a - 0.058047316 * b);
  let s = pq_inv(i - 0.096019242 * a - 0.8118919 * b);
  let res = {
    mode: "xyz65",
    x: rel(
      1.661373024652174 * l - 0.914523081304348 * m + 0.23136208173913045 * s
    ),
    y: rel(
      -0.3250758611844533 * l + 1.571847026732543 * m - 0.21825383453227928 * s
    ),
    z: rel(-0.090982811 * l - 0.31272829 * m + 1.5227666 * s)
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertJabToXyz65_default = convertJabToXyz65;

// src/jab/convertRgbToJab.js
var convertRgbToJab = (rgb4) => {
  let res = convertXyz65ToJab_default(convertRgbToXyz65_default(rgb4));
  if (rgb4.r === rgb4.b && rgb4.b === rgb4.g) {
    res.a = res.b = 0;
  }
  return res;
};
var convertRgbToJab_default = convertRgbToJab;

// src/jab/convertJabToRgb.js
var convertJabToRgb = (color) => convertXyz65ToRgb_default(convertJabToXyz65_default(color));
var convertJabToRgb_default = convertJabToRgb;

// src/jab/definition.js
var definition10 = {
  mode: "jab",
  channels: ["j", "a", "b", "alpha"],
  parse: ["--jzazbz"],
  serialize: "--jzazbz",
  fromMode: {
    rgb: convertRgbToJab_default,
    xyz65: convertXyz65ToJab_default
  },
  toMode: {
    rgb: convertJabToRgb_default,
    xyz65: convertJabToXyz65_default
  },
  ranges: {
    j: [0, 0.222],
    a: [-0.109, 0.129],
    b: [-0.185, 0.134]
  },
  interpolate: {
    j: interpolatorLinear,
    a: interpolatorLinear,
    b: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default10 = definition10;

// src/jch/convertJabToJch.js
var convertJabToJch = ({ j, a, b, alpha }) => {
  let c4 = Math.sqrt(a * a + b * b);
  let res = {
    mode: "jch",
    j,
    c: c4
  };
  if (c4) {
    res.h = normalizeHue_default(Math.atan2(b, a) * 180 / Math.PI);
  }
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertJabToJch_default = convertJabToJch;

// src/jch/convertJchToJab.js
var convertJchToJab = ({ j, c: c4, h, alpha }) => {
  let res = {
    mode: "jab",
    j,
    a: c4 ? c4 * Math.cos(h / 180 * Math.PI) : 0,
    b: c4 ? c4 * Math.sin(h / 180 * Math.PI) : 0
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertJchToJab_default = convertJchToJab;

// src/jch/definition.js
var definition11 = {
  mode: "jch",
  parse: ["--jzczhz"],
  serialize: "--jzczhz",
  toMode: {
    jab: convertJchToJab_default,
    rgb: (c4) => convertJabToRgb_default(convertJchToJab_default(c4))
  },
  fromMode: {
    rgb: (c4) => convertJabToJch_default(convertRgbToJab_default(c4)),
    jab: convertJabToJch_default
  },
  channels: ["j", "c", "h", "alpha"],
  ranges: {
    j: [0, 0.221],
    c: [0, 0.19],
    h: [0, 360]
  },
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    c: interpolatorLinear,
    j: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueChroma
  },
  average: {
    h: averageAngle
  }
};
var definition_default11 = definition11;

// src/xyz50/constants.js
var k3 = Math.pow(29, 3) / Math.pow(3, 3);
var e3 = Math.pow(6, 3) / Math.pow(29, 3);

// src/lab/convertLabToXyz50.js
var fn4 = (v) => Math.pow(v, 3) > e3 ? Math.pow(v, 3) : (116 * v - 16) / k3;
var convertLabToXyz50 = ({ l, a, b, alpha }) => {
  let fy = (l + 16) / 116;
  let fx = a / 500 + fy;
  let fz = fy - b / 200;
  let res = {
    mode: "xyz50",
    x: fn4(fx) * D50.X,
    y: fn4(fy) * D50.Y,
    z: fn4(fz) * D50.Z
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertLabToXyz50_default = convertLabToXyz50;

// src/xyz50/convertXyz50ToRgb.js
var convertXyz50ToRgb = ({ x, y, z, alpha }) => {
  let res = convertLrgbToRgb_default({
    r: x * 3.1341359569958707 - y * 1.6173863321612538 - 0.4906619460083532 * z,
    g: x * -0.978795502912089 + y * 1.916254567259524 + 0.03344273116131949 * z,
    b: x * 0.07195537988411677 - y * 0.2289768264158322 + 1.405386058324125 * z
  });
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz50ToRgb_default = convertXyz50ToRgb;

// src/lab/convertLabToRgb.js
var convertLabToRgb = (lab2) => convertXyz50ToRgb_default(convertLabToXyz50_default(lab2));
var convertLabToRgb_default = convertLabToRgb;

// src/xyz50/convertRgbToXyz50.js
var convertRgbToXyz50 = (rgb4) => {
  let { r: r2, g, b, alpha } = convertRgbToLrgb_default(rgb4);
  let res = {
    mode: "xyz50",
    x: 0.436065742824811 * r2 + 0.3851514688337912 * g + 0.14307845442264197 * b,
    y: 0.22249319175623702 * r2 + 0.7168870538238823 * g + 0.06061979053616537 * b,
    z: 0.013923904500943465 * r2 + 0.09708128566574634 * g + 0.7140993584005155 * b
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertRgbToXyz50_default = convertRgbToXyz50;

// src/lab/convertXyz50ToLab.js
var f2 = (value) => value > e3 ? Math.cbrt(value) : (k3 * value + 16) / 116;
var convertXyz50ToLab = ({ x, y, z, alpha }) => {
  let f0 = f2(x / D50.X);
  let f1 = f2(y / D50.Y);
  let f22 = f2(z / D50.Z);
  let res = {
    mode: "lab",
    l: 116 * f1 - 16,
    a: 500 * (f0 - f1),
    b: 200 * (f1 - f22)
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz50ToLab_default = convertXyz50ToLab;

// src/lab/convertRgbToLab.js
var convertRgbToLab = (rgb4) => {
  let res = convertXyz50ToLab_default(convertRgbToXyz50_default(rgb4));
  if (rgb4.r === rgb4.b && rgb4.b === rgb4.g) {
    res.a = res.b = 0;
  }
  return res;
};
var convertRgbToLab_default = convertRgbToLab;

// src/lab/parseLab.js
function parseLab(color, parsed) {
  if (!parsed || parsed[0] !== "lab") {
    return void 0;
  }
  const res = { mode: "lab" };
  const [, l, a, b, alpha] = parsed;
  if (l.type === Tok.Hue || a.type === Tok.Hue || b.type === Tok.Hue) {
    return void 0;
  }
  if (l.type !== Tok.None) {
    res.l = l.value;
  }
  if (a.type !== Tok.None) {
    res.a = a.type === Tok.Number ? a.value : a.value * 125 / 100;
  }
  if (b.type !== Tok.None) {
    res.b = b.type === Tok.Number ? b.value : b.value * 125 / 100;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseLab_default = parseLab;

// src/lab/definition.js
var definition12 = {
  mode: "lab",
  toMode: {
    xyz50: convertLabToXyz50_default,
    rgb: convertLabToRgb_default
  },
  fromMode: {
    xyz50: convertXyz50ToLab_default,
    rgb: convertRgbToLab_default
  },
  channels: ["l", "a", "b", "alpha"],
  ranges: {
    l: [0, 100],
    a: [-100, 100],
    b: [-100, 100]
  },
  parse: [parseLab_default],
  serialize: (c4) => `lab(${c4.l !== void 0 ? c4.l : "none"} ${c4.a !== void 0 ? c4.a : "none"} ${c4.b !== void 0 ? c4.b : "none"}${c4.alpha < 1 ? ` / ${c4.alpha}` : ""})`,
  interpolate: {
    l: interpolatorLinear,
    a: interpolatorLinear,
    b: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default12 = definition12;

// src/lab65/definition.js
var definition13 = {
  ...definition_default12,
  mode: "lab65",
  parse: ["--lab-d65"],
  serialize: "--lab-d65",
  toMode: {
    xyz65: convertLab65ToXyz65_default,
    rgb: convertLab65ToRgb_default
  },
  fromMode: {
    xyz65: convertXyz65ToLab65_default,
    rgb: convertRgbToLab65_default
  },
  ranges: {
    l: [0, 100],
    a: [-86.182, 98.234],
    b: [-107.86, 94.477]
  }
};
var definition_default13 = definition13;

// src/lch/parseLch.js
function parseLch(color, parsed) {
  if (!parsed || parsed[0] !== "lch") {
    return void 0;
  }
  const res = { mode: "lch" };
  const [, l, c4, h, alpha] = parsed;
  if (l.type !== Tok.None) {
    if (l.type === Tok.Hue) {
      return void 0;
    }
    res.l = l.value;
  }
  if (c4.type !== Tok.None) {
    res.c = Math.max(
      0,
      c4.type === Tok.Number ? c4.value : c4.value * 150 / 100
    );
  }
  if (h.type !== Tok.None) {
    if (h.type === Tok.Percentage) {
      return void 0;
    }
    res.h = h.value;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseLch_default = parseLch;

// src/lch/definition.js
var definition14 = {
  mode: "lch",
  toMode: {
    lab: convertLchToLab_default,
    rgb: (c4) => convertLabToRgb_default(convertLchToLab_default(c4))
  },
  fromMode: {
    rgb: (c4) => convertLabToLch_default(convertRgbToLab_default(c4)),
    lab: convertLabToLch_default
  },
  channels: ["l", "c", "h", "alpha"],
  ranges: {
    l: [0, 100],
    c: [0, 150],
    h: [0, 360]
  },
  parse: [parseLch_default],
  serialize: (c4) => `lch(${c4.l !== void 0 ? c4.l : "none"} ${c4.c !== void 0 ? c4.c : "none"} ${c4.h || 0}${c4.alpha < 1 ? ` / ${c4.alpha}` : ""})`,
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    c: interpolatorLinear,
    l: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueChroma
  },
  average: {
    h: averageAngle
  }
};
var definition_default14 = definition14;

// src/lch65/definition.js
var definition15 = {
  ...definition_default14,
  mode: "lch65",
  parse: ["--lch-d65"],
  serialize: "--lch-d65",
  toMode: {
    lab65: (c4) => convertLchToLab_default(c4, "lab65"),
    rgb: (c4) => convertLab65ToRgb_default(convertLchToLab_default(c4, "lab65"))
  },
  fromMode: {
    rgb: (c4) => convertLabToLch_default(convertRgbToLab65_default(c4), "lch65"),
    lab65: (c4) => convertLabToLch_default(c4, "lch65")
  },
  ranges: {
    l: [0, 100],
    c: [0, 133.807],
    h: [0, 360]
  }
};
var definition_default15 = definition15;

// src/lchuv/convertLuvToLchuv.js
var convertLuvToLchuv = ({ l, u, v, alpha }) => {
  let c4 = Math.sqrt(u * u + v * v);
  let res = {
    mode: "lchuv",
    l,
    c: c4
  };
  if (c4) {
    res.h = normalizeHue_default(Math.atan2(v, u) * 180 / Math.PI);
  }
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertLuvToLchuv_default = convertLuvToLchuv;

// src/lchuv/convertLchuvToLuv.js
var convertLchuvToLuv = ({ l, c: c4, h, alpha }) => {
  let res = {
    mode: "luv",
    l,
    u: c4 ? c4 * Math.cos(h / 180 * Math.PI) : 0,
    v: c4 ? c4 * Math.sin(h / 180 * Math.PI) : 0
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertLchuvToLuv_default = convertLchuvToLuv;

// src/luv/convertXyz50ToLuv.js
var u_fn = (x, y, z) => 4 * x / (x + 15 * y + 3 * z);
var v_fn = (x, y, z) => 9 * y / (x + 15 * y + 3 * z);
var un = u_fn(D50.X, D50.Y, D50.Z);
var vn = v_fn(D50.X, D50.Y, D50.Z);
var l_fn = (value) => value <= e3 ? k3 * value : 116 * Math.cbrt(value) - 16;
var convertXyz50ToLuv = ({ x, y, z, alpha }) => {
  let l = l_fn(y / D50.Y);
  let u = u_fn(x, y, z);
  let v = v_fn(x, y, z);
  if (!isFinite(u) || !isFinite(v)) {
    l = u = v = 0;
  } else {
    u = 13 * l * (u - un);
    v = 13 * l * (v - vn);
  }
  let res = {
    mode: "luv",
    l,
    u,
    v
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz50ToLuv_default = convertXyz50ToLuv;

// src/luv/convertLuvToXyz50.js
var u_fn2 = (x, y, z) => 4 * x / (x + 15 * y + 3 * z);
var v_fn2 = (x, y, z) => 9 * y / (x + 15 * y + 3 * z);
var un2 = u_fn2(D50.X, D50.Y, D50.Z);
var vn2 = v_fn2(D50.X, D50.Y, D50.Z);
var convertLuvToXyz50 = ({ l, u, v, alpha }) => {
  let up = u / (13 * l) + un2;
  let vp = v / (13 * l) + vn2;
  let y = D50.Y * (l <= 8 ? l / k3 : Math.pow((l + 16) / 116, 3));
  let x = y * (9 * up) / (4 * vp);
  let z = y * (12 - 3 * up - 20 * vp) / (4 * vp);
  let res = { mode: "xyz50", x, y, z };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertLuvToXyz50_default = convertLuvToXyz50;

// src/lchuv/definition.js
var convertRgbToLchuv = (rgb4) => convertLuvToLchuv_default(convertXyz50ToLuv_default(convertRgbToXyz50_default(rgb4)));
var convertLchuvToRgb = (lchuv2) => convertXyz50ToRgb_default(convertLuvToXyz50_default(convertLchuvToLuv_default(lchuv2)));
var definition16 = {
  mode: "lchuv",
  toMode: {
    luv: convertLchuvToLuv_default,
    rgb: convertLchuvToRgb
  },
  fromMode: {
    rgb: convertRgbToLchuv,
    luv: convertLuvToLchuv_default
  },
  channels: ["l", "c", "h", "alpha"],
  parse: ["--lchuv"],
  serialize: "--lchuv",
  ranges: {
    l: [0, 100],
    c: [0, 176.956],
    h: [0, 360]
  },
  interpolate: {
    h: { use: interpolatorLinear, fixup: fixupHueShorter },
    c: interpolatorLinear,
    l: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  },
  difference: {
    h: differenceHueChroma
  },
  average: {
    h: averageAngle
  }
};
var definition_default16 = definition16;

// src/lrgb/definition.js
var definition17 = {
  ...definition_default,
  mode: "lrgb",
  toMode: {
    rgb: convertLrgbToRgb_default
  },
  fromMode: {
    rgb: convertRgbToLrgb_default
  },
  parse: ["srgb-linear"],
  serialize: "srgb-linear"
};
var definition_default17 = definition17;

// src/luv/definition.js
var definition18 = {
  mode: "luv",
  toMode: {
    xyz50: convertLuvToXyz50_default,
    rgb: (luv2) => convertXyz50ToRgb_default(convertLuvToXyz50_default(luv2))
  },
  fromMode: {
    xyz50: convertXyz50ToLuv_default,
    rgb: (rgb4) => convertXyz50ToLuv_default(convertRgbToXyz50_default(rgb4))
  },
  channels: ["l", "u", "v", "alpha"],
  parse: ["--luv"],
  serialize: "--luv",
  ranges: {
    l: [0, 100],
    u: [-84.936, 175.042],
    v: [-125.882, 87.243]
  },
  interpolate: {
    l: interpolatorLinear,
    u: interpolatorLinear,
    v: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default18 = definition18;

// src/oklab/convertLrgbToOklab.js
var convertLrgbToOklab = ({ r: r2, g, b, alpha }) => {
  let L = Math.cbrt(
    0.41222147079999993 * r2 + 0.5363325363 * g + 0.0514459929 * b
  );
  let M2 = Math.cbrt(
    0.2119034981999999 * r2 + 0.6806995450999999 * g + 0.1073969566 * b
  );
  let S = Math.cbrt(
    0.08830246189999998 * r2 + 0.2817188376 * g + 0.6299787005000002 * b
  );
  let res = {
    mode: "oklab",
    l: 0.2104542553 * L + 0.793617785 * M2 - 0.0040720468 * S,
    a: 1.9779984951 * L - 2.428592205 * M2 + 0.4505937099 * S,
    b: 0.0259040371 * L + 0.7827717662 * M2 - 0.808675766 * S
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertLrgbToOklab_default = convertLrgbToOklab;

// src/oklab/convertRgbToOklab.js
var convertRgbToOklab = (rgb4) => {
  let res = convertLrgbToOklab_default(convertRgbToLrgb_default(rgb4));
  if (rgb4.r === rgb4.b && rgb4.b === rgb4.g) {
    res.a = res.b = 0;
  }
  return res;
};
var convertRgbToOklab_default = convertRgbToOklab;

// src/oklab/convertOklabToLrgb.js
var convertOklabToLrgb = ({ l, a, b, alpha }) => {
  let L = Math.pow(
    l * 0.9999999984505198 + 0.39633779217376786 * a + 0.2158037580607588 * b,
    3
  );
  let M2 = Math.pow(
    l * 1.0000000088817609 - 0.10556134232365635 * a - 0.06385417477170591 * b,
    3
  );
  let S = Math.pow(
    l * 1.0000000546724108 - 0.08948418209496575 * a - 1.2914855378640917 * b,
    3
  );
  let res = {
    mode: "lrgb",
    r: 4.076741661347994 * L - 3.307711590408193 * M2 + 0.230969928729428 * S,
    g: -1.2684380040921763 * L + 2.6097574006633715 * M2 - 0.3413193963102197 * S,
    b: -0.004196086541837188 * L - 0.7034186144594493 * M2 + 1.7076147009309444 * S
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertOklabToLrgb_default = convertOklabToLrgb;

// src/oklab/convertOklabToRgb.js
var convertOklabToRgb = (c4) => convertLrgbToRgb_default(convertOklabToLrgb_default(c4));
var convertOklabToRgb_default = convertOklabToRgb;

// src/okhsl/helpers.js
function toe(x) {
  const k_1 = 0.206;
  const k_2 = 0.03;
  const k_3 = (1 + k_1) / (1 + k_2);
  return 0.5 * (k_3 * x - k_1 + Math.sqrt((k_3 * x - k_1) * (k_3 * x - k_1) + 4 * k_2 * k_3 * x));
}
function toe_inv(x) {
  const k_1 = 0.206;
  const k_2 = 0.03;
  const k_3 = (1 + k_1) / (1 + k_2);
  return (x * x + k_1 * x) / (k_3 * (x + k_2));
}
function compute_max_saturation(a, b) {
  let k0, k1, k22, k32, k4, wl, wm, ws;
  if (-1.88170328 * a - 0.80936493 * b > 1) {
    k0 = 1.19086277;
    k1 = 1.76576728;
    k22 = 0.59662641;
    k32 = 0.75515197;
    k4 = 0.56771245;
    wl = 4.0767416621;
    wm = -3.3077115913;
    ws = 0.2309699292;
  } else if (1.81444104 * a - 1.19445276 * b > 1) {
    k0 = 0.73956515;
    k1 = -0.45954404;
    k22 = 0.08285427;
    k32 = 0.1254107;
    k4 = 0.14503204;
    wl = -1.2684380046;
    wm = 2.6097574011;
    ws = -0.3413193965;
  } else {
    k0 = 1.35733652;
    k1 = -915799e-8;
    k22 = -1.1513021;
    k32 = -0.50559606;
    k4 = 692167e-8;
    wl = -0.0041960863;
    wm = -0.7034186147;
    ws = 1.707614701;
  }
  let S = k0 + k1 * a + k22 * b + k32 * a * a + k4 * a * b;
  let k_l = 0.3963377774 * a + 0.2158037573 * b;
  let k_m = -0.1055613458 * a - 0.0638541728 * b;
  let k_s = -0.0894841775 * a - 1.291485548 * b;
  {
    let l_ = 1 + S * k_l;
    let m_ = 1 + S * k_m;
    let s_ = 1 + S * k_s;
    let l = l_ * l_ * l_;
    let m = m_ * m_ * m_;
    let s = s_ * s_ * s_;
    let l_dS = 3 * k_l * l_ * l_;
    let m_dS = 3 * k_m * m_ * m_;
    let s_dS = 3 * k_s * s_ * s_;
    let l_dS2 = 6 * k_l * k_l * l_;
    let m_dS2 = 6 * k_m * k_m * m_;
    let s_dS2 = 6 * k_s * k_s * s_;
    let f3 = wl * l + wm * m + ws * s;
    let f1 = wl * l_dS + wm * m_dS + ws * s_dS;
    let f22 = wl * l_dS2 + wm * m_dS2 + ws * s_dS2;
    S = S - f3 * f1 / (f1 * f1 - 0.5 * f3 * f22);
  }
  return S;
}
function find_cusp(a, b) {
  let S_cusp = compute_max_saturation(a, b);
  let rgb4 = convertOklabToLrgb_default({ l: 1, a: S_cusp * a, b: S_cusp * b });
  let L_cusp = Math.cbrt(1 / Math.max(rgb4.r, rgb4.g, rgb4.b));
  let C_cusp = L_cusp * S_cusp;
  return [L_cusp, C_cusp];
}
function find_gamut_intersection(a, b, L1, C1, L0, cusp = null) {
  if (!cusp) {
    cusp = find_cusp(a, b);
  }
  let t;
  if ((L1 - L0) * cusp[1] - (cusp[0] - L0) * C1 <= 0) {
    t = cusp[1] * L0 / (C1 * cusp[0] + cusp[1] * (L0 - L1));
  } else {
    t = cusp[1] * (L0 - 1) / (C1 * (cusp[0] - 1) + cusp[1] * (L0 - L1));
    {
      let dL = L1 - L0;
      let dC = C1;
      let k_l = 0.3963377774 * a + 0.2158037573 * b;
      let k_m = -0.1055613458 * a - 0.0638541728 * b;
      let k_s = -0.0894841775 * a - 1.291485548 * b;
      let l_dt = dL + dC * k_l;
      let m_dt = dL + dC * k_m;
      let s_dt = dL + dC * k_s;
      {
        let L = L0 * (1 - t) + t * L1;
        let C = t * C1;
        let l_ = L + C * k_l;
        let m_ = L + C * k_m;
        let s_ = L + C * k_s;
        let l = l_ * l_ * l_;
        let m = m_ * m_ * m_;
        let s = s_ * s_ * s_;
        let ldt = 3 * l_dt * l_ * l_;
        let mdt = 3 * m_dt * m_ * m_;
        let sdt = 3 * s_dt * s_ * s_;
        let ldt2 = 6 * l_dt * l_dt * l_;
        let mdt2 = 6 * m_dt * m_dt * m_;
        let sdt2 = 6 * s_dt * s_dt * s_;
        let r2 = 4.0767416621 * l - 3.3077115913 * m + 0.2309699292 * s - 1;
        let r1 = 4.0767416621 * ldt - 3.3077115913 * mdt + 0.2309699292 * sdt;
        let r22 = 4.0767416621 * ldt2 - 3.3077115913 * mdt2 + 0.2309699292 * sdt2;
        let u_r = r1 / (r1 * r1 - 0.5 * r2 * r22);
        let t_r = -r2 * u_r;
        let g = -1.2684380046 * l + 2.6097574011 * m - 0.3413193965 * s - 1;
        let g1 = -1.2684380046 * ldt + 2.6097574011 * mdt - 0.3413193965 * sdt;
        let g2 = -1.2684380046 * ldt2 + 2.6097574011 * mdt2 - 0.3413193965 * sdt2;
        let u_g = g1 / (g1 * g1 - 0.5 * g * g2);
        let t_g = -g * u_g;
        let b2 = -0.0041960863 * l - 0.7034186147 * m + 1.707614701 * s - 1;
        let b1 = -0.0041960863 * ldt - 0.7034186147 * mdt + 1.707614701 * sdt;
        let b22 = -0.0041960863 * ldt2 - 0.7034186147 * mdt2 + 1.707614701 * sdt2;
        let u_b = b1 / (b1 * b1 - 0.5 * b2 * b22);
        let t_b = -b2 * u_b;
        t_r = u_r >= 0 ? t_r : 1e6;
        t_g = u_g >= 0 ? t_g : 1e6;
        t_b = u_b >= 0 ? t_b : 1e6;
        t += Math.min(t_r, Math.min(t_g, t_b));
      }
    }
  }
  return t;
}
function get_ST_max(a_, b_, cusp = null) {
  if (!cusp) {
    cusp = find_cusp(a_, b_);
  }
  let L = cusp[0];
  let C = cusp[1];
  return [C / L, C / (1 - L)];
}
function get_Cs(L, a_, b_) {
  let cusp = find_cusp(a_, b_);
  let C_max = find_gamut_intersection(a_, b_, L, 1, L, cusp);
  let ST_max = get_ST_max(a_, b_, cusp);
  let S_mid = 0.11516993 + 1 / (7.4477897 + 4.1590124 * b_ + a_ * (-2.19557347 + 1.75198401 * b_ + a_ * (-2.13704948 - 10.02301043 * b_ + a_ * (-4.24894561 + 5.38770819 * b_ + 4.69891013 * a_))));
  let T_mid = 0.11239642 + 1 / (1.6132032 - 0.68124379 * b_ + a_ * (0.40370612 + 0.90148123 * b_ + a_ * (-0.27087943 + 0.6122399 * b_ + a_ * (299215e-8 - 0.45399568 * b_ - 0.14661872 * a_))));
  let k4 = C_max / Math.min(L * ST_max[0], (1 - L) * ST_max[1]);
  let C_a = L * S_mid;
  let C_b = (1 - L) * T_mid;
  let C_mid = 0.9 * k4 * Math.sqrt(
    Math.sqrt(
      1 / (1 / (C_a * C_a * C_a * C_a) + 1 / (C_b * C_b * C_b * C_b))
    )
  );
  C_a = L * 0.4;
  C_b = (1 - L) * 0.8;
  let C_0 = Math.sqrt(1 / (1 / (C_a * C_a) + 1 / (C_b * C_b)));
  return [C_0, C_mid, C_max];
}

// src/okhsl/convertOklabToOkhsl.js
function convertOklabToOkhsl(lab2) {
  const ret = { mode: "okhsl", l: toe(lab2.l) };
  if (lab2.alpha !== void 0) {
    ret.alpha = lab2.alpha;
  }
  let c4 = Math.sqrt(lab2.a * lab2.a + lab2.b * lab2.b);
  if (!c4) {
    ret.s = 0;
    return ret;
  }
  let [C_0, C_mid, C_max] = get_Cs(lab2.l, lab2.a / c4, lab2.b / c4);
  let s;
  if (c4 < C_mid) {
    let k_0 = 0;
    let k_1 = 0.8 * C_0;
    let k_2 = 1 - k_1 / C_mid;
    let t = (c4 - k_0) / (k_1 + k_2 * (c4 - k_0));
    s = t * 0.8;
  } else {
    let k_0 = C_mid;
    let k_1 = 0.2 * C_mid * C_mid * 1.25 * 1.25 / C_0;
    let k_2 = 1 - k_1 / (C_max - C_mid);
    let t = (c4 - k_0) / (k_1 + k_2 * (c4 - k_0));
    s = 0.8 + 0.2 * t;
  }
  if (s) {
    ret.s = s;
    ret.h = normalizeHue_default(Math.atan2(lab2.b, lab2.a) * 180 / Math.PI);
  }
  return ret;
}

// src/okhsl/convertOkhslToOklab.js
function convertOkhslToOklab(hsl2) {
  let l = toe_inv(hsl2.l);
  const ret = { mode: "oklab", l };
  if (hsl2.alpha !== void 0) {
    ret.alpha = hsl2.alpha;
  }
  if (!hsl2.s || hsl2.l === 1) {
    ret.a = ret.b = 0;
    return ret;
  }
  let a_ = Math.cos(hsl2.h / 180 * Math.PI);
  let b_ = Math.sin(hsl2.h / 180 * Math.PI);
  let [C_0, C_mid, C_max] = get_Cs(l, a_, b_);
  let t, k_0, k_1, k_2;
  if (hsl2.s < 0.8) {
    t = 1.25 * hsl2.s;
    k_0 = 0;
    k_1 = 0.8 * C_0;
    k_2 = 1 - k_1 / C_mid;
  } else {
    t = 5 * (hsl2.s - 0.8);
    k_0 = C_mid;
    k_1 = 0.2 * C_mid * C_mid * 1.25 * 1.25 / C_0;
    k_2 = 1 - k_1 / (C_max - C_mid);
  }
  let C = k_0 + t * k_1 / (1 - k_2 * t);
  ret.a = C * a_;
  ret.b = C * b_;
  return ret;
}

// src/okhsl/modeOkhsl.js
var modeOkhsl = {
  ...definition_default7,
  mode: "okhsl",
  channels: ["h", "s", "l", "alpha"],
  parse: ["--okhsl"],
  serialize: "--okhsl",
  fromMode: {
    oklab: convertOklabToOkhsl,
    rgb: (c4) => convertOklabToOkhsl(convertRgbToOklab_default(c4))
  },
  toMode: {
    oklab: convertOkhslToOklab,
    rgb: (c4) => convertOklabToRgb_default(convertOkhslToOklab(c4))
  }
};
var modeOkhsl_default = modeOkhsl;

// src/okhsv/convertOklabToOkhsv.js
function convertOklabToOkhsv(lab2) {
  let c4 = Math.sqrt(lab2.a * lab2.a + lab2.b * lab2.b);
  let l = lab2.l;
  let a_ = c4 ? lab2.a / c4 : 1;
  let b_ = c4 ? lab2.b / c4 : 1;
  let [S_max, T] = get_ST_max(a_, b_);
  let S_0 = 0.5;
  let k4 = 1 - S_0 / S_max;
  let t = T / (c4 + l * T);
  let L_v = t * l;
  let C_v = t * c4;
  let L_vt = toe_inv(L_v);
  let C_vt = C_v * L_vt / L_v;
  let rgb_scale = convertOklabToLrgb_default({ l: L_vt, a: a_ * C_vt, b: b_ * C_vt });
  let scale_L = Math.cbrt(
    1 / Math.max(rgb_scale.r, rgb_scale.g, rgb_scale.b, 0)
  );
  l = l / scale_L;
  c4 = c4 / scale_L * toe(l) / l;
  l = toe(l);
  const ret = {
    mode: "okhsv",
    s: c4 ? (S_0 + T) * C_v / (T * S_0 + T * k4 * C_v) : 0,
    v: l ? l / L_v : 0
  };
  if (ret.s) {
    ret.h = normalizeHue_default(Math.atan2(lab2.b, lab2.a) * 180 / Math.PI);
  }
  if (lab2.alpha !== void 0) {
    ret.alpha = lab2.alpha;
  }
  return ret;
}

// src/okhsv/convertOkhsvToOklab.js
function convertOkhsvToOklab(hsv2) {
  const ret = { mode: "oklab" };
  if (hsv2.alpha !== void 0) {
    ret.alpha = hsv2.alpha;
  }
  const h = hsv2.h || 0;
  const a_ = Math.cos(h / 180 * Math.PI);
  const b_ = Math.sin(h / 180 * Math.PI);
  const [S_max, T] = get_ST_max(a_, b_);
  const S_0 = 0.5;
  const k4 = 1 - S_0 / S_max;
  const L_v = 1 - hsv2.s * S_0 / (S_0 + T - T * k4 * hsv2.s);
  const C_v = hsv2.s * T * S_0 / (S_0 + T - T * k4 * hsv2.s);
  const L_vt = toe_inv(L_v);
  const C_vt = C_v * L_vt / L_v;
  const rgb_scale = convertOklabToLrgb_default({
    l: L_vt,
    a: a_ * C_vt,
    b: b_ * C_vt
  });
  const scale_L = Math.cbrt(
    1 / Math.max(rgb_scale.r, rgb_scale.g, rgb_scale.b, 0)
  );
  const L_new = toe_inv(hsv2.v * L_v);
  const C = C_v * L_new / L_v;
  ret.l = L_new * scale_L;
  ret.a = C * a_ * scale_L;
  ret.b = C * b_ * scale_L;
  return ret;
}

// src/okhsv/modeOkhsv.js
var modeOkhsv = {
  ...definition_default8,
  mode: "okhsv",
  channels: ["h", "s", "v", "alpha"],
  parse: ["--okhsv"],
  serialize: "--okhsv",
  fromMode: {
    oklab: convertOklabToOkhsv,
    rgb: (c4) => convertOklabToOkhsv(convertRgbToOklab_default(c4))
  },
  toMode: {
    oklab: convertOkhsvToOklab,
    rgb: (c4) => convertOklabToRgb_default(convertOkhsvToOklab(c4))
  }
};
var modeOkhsv_default = modeOkhsv;

// src/oklab/parseOklab.js
function parseOklab(color, parsed) {
  if (!parsed || parsed[0] !== "oklab") {
    return void 0;
  }
  const res = { mode: "oklab" };
  const [, l, a, b, alpha] = parsed;
  if (l.type === Tok.Hue || a.type === Tok.Hue || b.type === Tok.Hue) {
    return void 0;
  }
  if (l.type !== Tok.None) {
    res.l = l.type === Tok.Number ? l.value : l.value / 100;
  }
  if (a.type !== Tok.None) {
    res.a = a.type === Tok.Number ? a.value : a.value * 0.4 / 100;
  }
  if (b.type !== Tok.None) {
    res.b = b.type === Tok.Number ? b.value : b.value * 0.4 / 100;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseOklab_default = parseOklab;

// src/oklab/definition.js
var definition19 = {
  ...definition_default12,
  mode: "oklab",
  toMode: {
    lrgb: convertOklabToLrgb_default,
    rgb: convertOklabToRgb_default
  },
  fromMode: {
    lrgb: convertLrgbToOklab_default,
    rgb: convertRgbToOklab_default
  },
  ranges: {
    l: [0, 1],
    a: [-0.4, 0.4],
    b: [-0.4, 0.4]
  },
  parse: [parseOklab_default],
  serialize: (c4) => `oklab(${c4.l !== void 0 ? c4.l : "none"} ${c4.a !== void 0 ? c4.a : "none"} ${c4.b !== void 0 ? c4.b : "none"}${c4.alpha < 1 ? ` / ${c4.alpha}` : ""})`
};
var definition_default19 = definition19;

// src/oklch/parseOklch.js
function parseOklch(color, parsed) {
  if (!parsed || parsed[0] !== "oklch") {
    return void 0;
  }
  const res = { mode: "oklch" };
  const [, l, c4, h, alpha] = parsed;
  if (l.type !== Tok.None) {
    if (l.type === Tok.Hue) {
      return void 0;
    }
    res.l = l.type === Tok.Number ? l.value : l.value / 100;
  }
  if (c4.type !== Tok.None) {
    res.c = Math.max(
      0,
      c4.type === Tok.Number ? c4.value : c4.value * 0.4 / 100
    );
  }
  if (h.type !== Tok.None) {
    if (h.type === Tok.Percentage) {
      return void 0;
    }
    res.h = h.value;
  }
  if (alpha.type !== Tok.None) {
    res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
  }
  return res;
}
var parseOklch_default = parseOklch;

// src/oklch/definition.js
var definition20 = {
  ...definition_default14,
  mode: "oklch",
  toMode: {
    oklab: (c4) => convertLchToLab_default(c4, "oklab"),
    rgb: (c4) => convertOklabToRgb_default(convertLchToLab_default(c4, "oklab"))
  },
  fromMode: {
    rgb: (c4) => convertLabToLch_default(convertRgbToOklab_default(c4), "oklch"),
    oklab: (c4) => convertLabToLch_default(c4, "oklch")
  },
  parse: [parseOklch_default],
  serialize: (c4) => `oklch(${c4.l !== void 0 ? c4.l : "none"} ${c4.c !== void 0 ? c4.c : "none"} ${c4.h || 0}${c4.alpha < 1 ? ` / ${c4.alpha}` : ""})`,
  ranges: {
    l: [0, 1],
    c: [0, 0.4],
    h: [0, 360]
  }
};
var definition_default20 = definition20;

// src/p3/convertP3ToXyz65.js
var convertP3ToXyz65 = (rgb4) => {
  let { r: r2, g, b, alpha } = convertRgbToLrgb_default(rgb4);
  let res = {
    mode: "xyz65",
    x: 0.486570948648216 * r2 + 0.265667693169093 * g + 0.1982172852343625 * b,
    y: 0.2289745640697487 * r2 + 0.6917385218365062 * g + 0.079286914093745 * b,
    z: 0 * r2 + 0.0451133818589026 * g + 1.043944368900976 * b
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertP3ToXyz65_default = convertP3ToXyz65;

// src/p3/convertXyz65ToP3.js
var convertXyz65ToP3 = ({ x, y, z, alpha }) => {
  let res = convertLrgbToRgb_default(
    {
      r: x * 2.4934969119414263 - y * 0.9313836179191242 - 0.402710784450717 * z,
      g: x * -0.8294889695615749 + y * 1.7626640603183465 + 0.0236246858419436 * z,
      b: x * 0.0358458302437845 - y * 0.0761723892680418 + 0.9568845240076871 * z
    },
    "p3"
  );
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToP3_default = convertXyz65ToP3;

// src/p3/definition.js
var definition21 = {
  ...definition_default,
  mode: "p3",
  parse: ["display-p3"],
  serialize: "display-p3",
  fromMode: {
    rgb: (color) => convertXyz65ToP3_default(convertRgbToXyz65_default(color)),
    xyz65: convertXyz65ToP3_default
  },
  toMode: {
    rgb: (color) => convertXyz65ToRgb_default(convertP3ToXyz65_default(color)),
    xyz65: convertP3ToXyz65_default
  }
};
var definition_default21 = definition21;

// src/prophoto/convertXyz50ToProphoto.js
var gamma2 = (v) => {
  let abs3 = Math.abs(v);
  if (abs3 >= 1 / 512) {
    return Math.sign(v) * Math.pow(abs3, 1 / 1.8);
  }
  return 16 * v;
};
var convertXyz50ToProphoto = ({ x, y, z, alpha }) => {
  let res = {
    mode: "prophoto",
    r: gamma2(
      x * 1.3457868816471585 - y * 0.2555720873797946 - 0.0511018649755453 * z
    ),
    g: gamma2(
      x * -0.5446307051249019 + y * 1.5082477428451466 + 0.0205274474364214 * z
    ),
    b: gamma2(x * 0 + y * 0 + 1.2119675456389452 * z)
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz50ToProphoto_default = convertXyz50ToProphoto;

// src/prophoto/convertProphotoToXyz50.js
var linearize2 = (v) => {
  let abs3 = Math.abs(v);
  if (abs3 >= 16 / 512) {
    return Math.sign(v) * Math.pow(abs3, 1.8);
  }
  return v / 16;
};
var convertProphotoToXyz50 = (prophoto2) => {
  let r2 = linearize2(prophoto2.r);
  let g = linearize2(prophoto2.g);
  let b = linearize2(prophoto2.b);
  let res = {
    mode: "xyz50",
    x: 0.7977666449006423 * r2 + 0.1351812974005331 * g + 0.0313477341283922 * b,
    y: 0.2880748288194013 * r2 + 0.7118352342418731 * g + 899369387256e-16 * b,
    z: 0 * r2 + 0 * g + 0.8251046025104602 * b
  };
  if (prophoto2.alpha !== void 0) {
    res.alpha = prophoto2.alpha;
  }
  return res;
};
var convertProphotoToXyz50_default = convertProphotoToXyz50;

// src/prophoto/definition.js
var definition22 = {
  ...definition_default,
  mode: "prophoto",
  parse: ["prophoto-rgb"],
  serialize: "prophoto-rgb",
  fromMode: {
    xyz50: convertXyz50ToProphoto_default,
    rgb: (color) => convertXyz50ToProphoto_default(convertRgbToXyz50_default(color))
  },
  toMode: {
    xyz50: convertProphotoToXyz50_default,
    rgb: (color) => convertXyz50ToRgb_default(convertProphotoToXyz50_default(color))
  }
};
var definition_default22 = definition22;

// src/rec2020/convertXyz65ToRec2020.js
var \u03B1 = 1.09929682680944;
var \u03B2 = 0.018053968510807;
var gamma3 = (v) => {
  const abs3 = Math.abs(v);
  if (abs3 > \u03B2) {
    return (Math.sign(v) || 1) * (\u03B1 * Math.pow(abs3, 0.45) - (\u03B1 - 1));
  }
  return 4.5 * v;
};
var convertXyz65ToRec2020 = ({ x, y, z, alpha }) => {
  let res = {
    mode: "rec2020",
    r: gamma3(
      x * 1.7166511879712683 - y * 0.3556707837763925 - 0.2533662813736599 * z
    ),
    g: gamma3(
      x * -0.6666843518324893 + y * 1.6164812366349395 + 0.0157685458139111 * z
    ),
    b: gamma3(
      x * 0.0176398574453108 - y * 0.0427706132578085 + 0.9421031212354739 * z
    )
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToRec2020_default = convertXyz65ToRec2020;

// src/rec2020/convertRec2020ToXyz65.js
var \u03B12 = 1.09929682680944;
var \u03B22 = 0.018053968510807;
var linearize3 = (v) => {
  let abs3 = Math.abs(v);
  if (abs3 < \u03B22 * 4.5) {
    return v / 4.5;
  }
  return (Math.sign(v) || 1) * Math.pow((abs3 + \u03B12 - 1) / \u03B12, 1 / 0.45);
};
var convertRec2020ToXyz65 = (rec20202) => {
  let r2 = linearize3(rec20202.r);
  let g = linearize3(rec20202.g);
  let b = linearize3(rec20202.b);
  let res = {
    mode: "xyz65",
    x: 0.6369580483012911 * r2 + 0.1446169035862083 * g + 0.1688809751641721 * b,
    y: 0.262700212011267 * r2 + 0.6779980715188708 * g + 0.059301716469862 * b,
    z: 0 * r2 + 0.0280726930490874 * g + 1.0609850577107909 * b
  };
  if (rec20202.alpha !== void 0) {
    res.alpha = rec20202.alpha;
  }
  return res;
};
var convertRec2020ToXyz65_default = convertRec2020ToXyz65;

// src/rec2020/definition.js
var definition23 = {
  ...definition_default,
  mode: "rec2020",
  fromMode: {
    xyz65: convertXyz65ToRec2020_default,
    rgb: (color) => convertXyz65ToRec2020_default(convertRgbToXyz65_default(color))
  },
  toMode: {
    xyz65: convertRec2020ToXyz65_default,
    rgb: (color) => convertXyz65ToRgb_default(convertRec2020ToXyz65_default(color))
  },
  parse: ["rec2020"],
  serialize: "rec2020"
};
var definition_default23 = definition23;

// src/xyb/constants.js
var bias = 0.0037930732552754493;
var bias_cbrt = Math.cbrt(bias);

// src/xyb/convertRgbToXyb.js
var transfer = (v) => Math.cbrt(v) - bias_cbrt;
var convertRgbToXyb = (color) => {
  const { r: r2, g, b, alpha } = convertRgbToLrgb_default(color);
  const l = transfer(0.3 * r2 + 0.622 * g + 0.078 * b + bias);
  const m = transfer(0.23 * r2 + 0.692 * g + 0.078 * b + bias);
  const s = transfer(
    0.2434226892454782 * r2 + 0.2047674442449682 * g + 0.5518098665095535 * b + bias
  );
  const res = {
    mode: "xyb",
    x: (l - m) / 2,
    y: (l + m) / 2,
    /* Apply default chroma from luma (subtract Y from B) */
    b: s - (l + m) / 2
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertRgbToXyb_default = convertRgbToXyb;

// src/xyb/convertXybToRgb.js
var transfer2 = (v) => Math.pow(v + bias_cbrt, 3);
var convertXybToRgb = ({ x, y, b, alpha }) => {
  const l = transfer2(x + y) - bias;
  const m = transfer2(y - x) - bias;
  const s = transfer2(b + y) - bias;
  const res = convertLrgbToRgb_default({
    r: 11.031566904639861 * l - 9.866943908131562 * m - 0.16462299650829934 * s,
    g: -3.2541473810744237 * l + 4.418770377582723 * m - 0.16462299650829934 * s,
    b: -3.6588512867136815 * l + 2.7129230459360922 * m + 1.9459282407775895 * s
  });
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertXybToRgb_default = convertXybToRgb;

// src/xyb/definition.js
var definition24 = {
  mode: "xyb",
  channels: ["x", "y", "b", "alpha"],
  parse: ["--xyb"],
  serialize: "--xyb",
  toMode: {
    rgb: convertXybToRgb_default
  },
  fromMode: {
    rgb: convertRgbToXyb_default
  },
  ranges: {
    x: [-0.0154, 0.0281],
    y: [0, 0.8453],
    b: [-0.2778, 0.388]
  },
  interpolate: {
    x: interpolatorLinear,
    y: interpolatorLinear,
    b: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default24 = definition24;

// src/xyz50/definition.js
var definition25 = {
  mode: "xyz50",
  parse: ["xyz-d50"],
  serialize: "xyz-d50",
  toMode: {
    rgb: convertXyz50ToRgb_default,
    lab: convertXyz50ToLab_default
  },
  fromMode: {
    rgb: convertRgbToXyz50_default,
    lab: convertLabToXyz50_default
  },
  channels: ["x", "y", "z", "alpha"],
  ranges: {
    x: [0, 0.964],
    y: [0, 0.999],
    z: [0, 0.825]
  },
  interpolate: {
    x: interpolatorLinear,
    y: interpolatorLinear,
    z: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default25 = definition25;

// src/xyz65/convertXyz65ToXyz50.js
var convertXyz65ToXyz50 = (xyz652) => {
  let { x, y, z, alpha } = xyz652;
  let res = {
    mode: "xyz50",
    x: 1.0479298208405488 * x + 0.0229467933410191 * y - 0.0501922295431356 * z,
    y: 0.0296278156881593 * x + 0.990434484573249 * y - 0.0170738250293851 * z,
    z: -0.0092430581525912 * x + 0.0150551448965779 * y + 0.7518742899580008 * z
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz65ToXyz50_default = convertXyz65ToXyz50;

// src/xyz65/convertXyz50ToXyz65.js
var convertXyz50ToXyz65 = (xyz502) => {
  let { x, y, z, alpha } = xyz502;
  let res = {
    mode: "xyz65",
    x: 0.9554734527042182 * x - 0.0230985368742614 * y + 0.0632593086610217 * z,
    y: -0.0283697069632081 * x + 1.0099954580058226 * y + 0.021041398966943 * z,
    z: 0.0123140016883199 * x - 0.0205076964334779 * y + 1.3303659366080753 * z
  };
  if (alpha !== void 0) {
    res.alpha = alpha;
  }
  return res;
};
var convertXyz50ToXyz65_default = convertXyz50ToXyz65;

// src/xyz65/definition.js
var definition26 = {
  mode: "xyz65",
  toMode: {
    rgb: convertXyz65ToRgb_default,
    xyz50: convertXyz65ToXyz50_default
  },
  fromMode: {
    rgb: convertRgbToXyz65_default,
    xyz50: convertXyz50ToXyz65_default
  },
  ranges: {
    x: [0, 0.95],
    y: [0, 1],
    z: [0, 1.088]
  },
  channels: ["x", "y", "z", "alpha"],
  parse: ["xyz", "xyz-d65"],
  serialize: "xyz-d65",
  interpolate: {
    x: interpolatorLinear,
    y: interpolatorLinear,
    z: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default26 = definition26;

// src/yiq/convertRgbToYiq.js
var convertRgbToYiq = ({ r: r2, g, b, alpha }) => {
  const res = {
    mode: "yiq",
    y: 0.29889531 * r2 + 0.58662247 * g + 0.11448223 * b,
    i: 0.59597799 * r2 - 0.2741761 * g - 0.32180189 * b,
    q: 0.21147017 * r2 - 0.52261711 * g + 0.31114694 * b
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertRgbToYiq_default = convertRgbToYiq;

// src/yiq/convertYiqToRgb.js
var convertYiqToRgb = ({ y, i, q, alpha }) => {
  const res = {
    mode: "rgb",
    r: y + 0.95608445 * i + 0.6208885 * q,
    g: y - 0.27137664 * i - 0.6486059 * q,
    b: y - 1.10561724 * i + 1.70250126 * q
  };
  if (alpha !== void 0)
    res.alpha = alpha;
  return res;
};
var convertYiqToRgb_default = convertYiqToRgb;

// src/yiq/definition.js
var definition27 = {
  mode: "yiq",
  toMode: {
    rgb: convertYiqToRgb_default
  },
  fromMode: {
    rgb: convertRgbToYiq_default
  },
  channels: ["y", "i", "q", "alpha"],
  parse: ["--yiq"],
  serialize: "--yiq",
  ranges: {
    i: [-0.595, 0.595],
    q: [-0.522, 0.522]
  },
  interpolate: {
    y: interpolatorLinear,
    i: interpolatorLinear,
    q: interpolatorLinear,
    alpha: { use: interpolatorLinear, fixup: fixupAlpha }
  }
};
var definition_default27 = definition27;

// src/round.js
var r = (value, precision) => Math.round(value * (precision = Math.pow(10, precision))) / precision;
var round = (precision = 4) => (value) => typeof value === "number" ? r(value, precision) : value;
var round_default = round;

// src/formatter.js
var twoDecimals = round_default(2);
var clamp = (value) => Math.max(0, Math.min(1, value));
var fixup = (value) => Math.round(clamp(value) * 255);
var serializeHex = (color) => {
  if (color === void 0) {
    return void 0;
  }
  let r2 = fixup(color.r);
  let g = fixup(color.g);
  let b = fixup(color.b);
  return "#" + (1 << 24 | r2 << 16 | g << 8 | b).toString(16).slice(1);
};
var serializeHex8 = (color) => {
  if (color === void 0) {
    return void 0;
  }
  let a = fixup(color.alpha !== void 0 ? color.alpha : 1);
  return serializeHex(color) + (1 << 8 | a).toString(16).slice(1);
};
var serializeRgb = (color) => {
  if (color === void 0) {
    return void 0;
  }
  let r2 = color.r !== void 0 ? fixup(color.r) : "none";
  let g = color.g !== void 0 ? fixup(color.g) : "none";
  let b = color.b !== void 0 ? fixup(color.b) : "none";
  if (color.alpha === void 0 || color.alpha === 1) {
    return `rgb(${r2}, ${g}, ${b})`;
  } else {
    return `rgba(${r2}, ${g}, ${b}, ${twoDecimals(clamp(color.alpha))})`;
  }
};
var serializeHsl = (color) => {
  if (color === void 0) {
    return void 0;
  }
  const h = twoDecimals(color.h || 0);
  const s = color.s !== void 0 ? twoDecimals(clamp(color.s) * 100) + "%" : "none";
  const l = color.l !== void 0 ? twoDecimals(clamp(color.l) * 100) + "%" : "none";
  if (color.alpha === void 0 || color.alpha === 1) {
    return `hsl(${h}, ${s}, ${l})`;
  } else {
    return `hsla(${h}, ${s}, ${l}, ${twoDecimals(clamp(color.alpha))})`;
  }
};
var formatCss = (c4) => {
  const color = prepare_default(c4);
  if (!color) {
    return void 0;
  }
  const def = getMode(color.mode);
  if (!def.serialize || typeof def.serialize === "string") {
    let res = `color(${def.serialize || `--${color.mode}`} `;
    def.channels.forEach((ch, i) => {
      if (ch !== "alpha") {
        res += (i ? " " : "") + (color[ch] !== void 0 ? color[ch] : "none");
      }
    });
    if (color.alpha !== void 0 && color.alpha < 1) {
      res += ` / ${color.alpha}`;
    }
    return res + ")";
  }
  if (typeof def.serialize === "function") {
    return def.serialize(color);
  }
  return void 0;
};
var formatHex = (c4) => serializeHex(converter_default("rgb")(c4));
var formatHex8 = (c4) => serializeHex8(converter_default("rgb")(c4));
var formatRgb = (c4) => serializeRgb(converter_default("rgb")(c4));
var formatHsl = (c4) => serializeHsl(converter_default("hsl")(c4));

// src/blend.js
var BLENDS = {
  normal: (b, s) => s,
  multiply: (b, s) => b * s,
  screen: (b, s) => b + s - b * s,
  "hard-light": (b, s) => s < 0.5 ? b * 2 * s : 2 * s * (1 - b) - 1,
  overlay: (b, s) => b < 0.5 ? s * 2 * b : 2 * b * (1 - s) - 1,
  darken: (b, s) => Math.min(b, s),
  lighten: (b, s) => Math.max(b, s),
  "color-dodge": (b, s) => b === 0 ? 0 : s === 1 ? 1 : Math.min(1, b / (1 - s)),
  "color-burn": (b, s) => b === 1 ? 1 : s === 0 ? 0 : 1 - Math.min(1, (1 - b) / s),
  "soft-light": (b, s) => s < 0.5 ? b - (1 - 2 * s) * b * (1 - b) : b + (2 * s - 1) * ((b < 0.25 ? ((16 * b - 12) * b + 4) * b : Math.sqrt(b)) - b),
  difference: (b, s) => Math.abs(b - s),
  exclusion: (b, s) => b + s - 2 * b * s
};
var blend = (colors, type = "normal", mode = "rgb") => {
  let fn5 = typeof type === "function" ? type : BLENDS[type];
  let conv = converter_default(mode);
  let channels = getMode(mode).channels;
  let converted = colors.map((c4) => {
    let cc = conv(c4);
    if (cc.alpha === void 0) {
      cc.alpha = 1;
    }
    return cc;
  });
  return converted.reduce((b, s) => {
    if (b === void 0)
      return s;
    let alpha = s.alpha + b.alpha * (1 - s.alpha);
    return channels.reduce(
      (res, ch) => {
        if (ch !== "alpha") {
          if (alpha === 0) {
            res[ch] = 0;
          } else {
            res[ch] = s.alpha * (1 - b.alpha) * s[ch] + s.alpha * b.alpha * fn5(b[ch], s[ch]) + (1 - s.alpha) * b.alpha * b[ch];
            res[ch] = Math.max(0, Math.min(1, res[ch] / alpha));
          }
        }
        return res;
      },
      { mode, alpha }
    );
  });
};
var blend_default = blend;

// src/random.js
var rand = ([min2, max]) => min2 + Math.random() * (max - min2);
var to_intervals = (constraints) => Object.keys(constraints).reduce((o, k4) => {
  let v = constraints[k4];
  o[k4] = Array.isArray(v) ? v : [v, v];
  return o;
}, {});
var random = (mode = "rgb", constraints = {}) => {
  let def = getMode(mode);
  let limits = to_intervals(constraints);
  return def.channels.reduce(
    (res, ch) => {
      if (limits.alpha || ch !== "alpha") {
        res[ch] = rand(limits[ch] || def.ranges[ch]);
      }
      return res;
    },
    { mode }
  );
};
var random_default = random;

// src/map.js
var mapper = (fn5, mode = "rgb", preserve_mode = false) => {
  let channels = mode ? getMode(mode).channels : null;
  let conv = mode ? converter_default(mode) : prepare_default;
  return (color) => {
    let conv_color = conv(color);
    if (!conv_color) {
      return void 0;
    }
    let res = (channels || getMode(conv_color.mode).channels).reduce(
      (res2, ch) => {
        let v = fn5(conv_color[ch], ch, conv_color, mode);
        if (v !== void 0 && !isNaN(v)) {
          res2[ch] = v;
        }
        return res2;
      },
      { mode: conv_color.mode }
    );
    if (!preserve_mode) {
      return res;
    }
    let prep = prepare_default(color);
    if (prep && prep.mode !== res.mode) {
      return converter_default(prep.mode)(res);
    }
    return res;
  };
};
var mapAlphaMultiply = (v, ch, c4) => {
  if (ch !== "alpha") {
    return (v || 0) * (c4.alpha !== void 0 ? c4.alpha : 1);
  }
  return v;
};
var mapAlphaDivide = (v, ch, c4) => {
  if (ch !== "alpha" && c4.alpha !== 0) {
    return (v || 0) / (c4.alpha !== void 0 ? c4.alpha : 1);
  }
  return v;
};
var mapTransferLinear = (slope = 1, intercept = 0) => (v, ch) => {
  if (ch !== "alpha") {
    return v * slope + intercept;
  }
  return v;
};
var mapTransferGamma = (amplitude = 1, exponent = 1, offset = 0) => (v, ch) => {
  if (ch !== "alpha") {
    return amplitude * Math.pow(v, exponent) + offset;
  }
  return v;
};

// src/util/normalizePositions.js
var normalizePositions = (arr) => {
  if (arr[0] === void 0) {
    arr[0] = 0;
  }
  if (arr[arr.length - 1] === void 0) {
    arr[arr.length - 1] = 1;
  }
  let i = 1;
  let j;
  let from_idx;
  let from_pos;
  let inc;
  while (i < arr.length) {
    if (arr[i] === void 0) {
      from_idx = i;
      from_pos = arr[i - 1];
      j = i;
      while (arr[j] === void 0)
        j++;
      inc = (arr[j] - from_pos) / (j - i + 1);
      while (i < j) {
        arr[i] = from_pos + (i + 1 - from_idx) * inc;
        i++;
      }
    } else if (arr[i] < arr[i - 1]) {
      arr[i] = arr[i - 1];
    }
    i++;
  }
  return arr;
};
var normalizePositions_default = normalizePositions;

// src/easing/midpoint.js
var midpoint = (H = 0.5) => (t) => H <= 0 ? 1 : H >= 1 ? 0 : Math.pow(t, Math.log(0.5) / Math.log(H));
var midpoint_default = midpoint;

// src/interpolate/interpolate.js
var isfn2 = (o) => typeof o === "function";
var isobj = (o) => o && typeof o === "object";
var isnum = (o) => typeof o === "number";
var interpolate_fn = (colors, mode = "rgb", overrides, premap) => {
  let def = getMode(mode);
  let conv = converter_default(mode);
  let conv_colors = [];
  let positions = [];
  let fns = {};
  colors.forEach((val) => {
    if (Array.isArray(val)) {
      conv_colors.push(conv(val[0]));
      positions.push(val[1]);
    } else if (isnum(val) || isfn2(val)) {
      fns[positions.length] = val;
    } else {
      conv_colors.push(conv(val));
      positions.push(void 0);
    }
  });
  normalizePositions_default(positions);
  let fixed = def.channels.reduce((res, ch) => {
    let ffn;
    if (isobj(overrides) && isobj(overrides[ch]) && overrides[ch].fixup) {
      ffn = overrides[ch].fixup;
    } else if (isobj(def.interpolate[ch]) && def.interpolate[ch].fixup) {
      ffn = def.interpolate[ch].fixup;
    } else {
      ffn = (v) => v;
    }
    res[ch] = ffn(conv_colors.map((color) => color[ch]));
    return res;
  }, {});
  if (premap) {
    let ccolors = conv_colors.map((color, idx) => {
      return def.channels.reduce(
        (c4, ch) => {
          c4[ch] = fixed[ch][idx];
          return c4;
        },
        { mode }
      );
    });
    fixed = def.channels.reduce((res, ch) => {
      res[ch] = ccolors.map((c4) => {
        let v = premap(c4[ch], ch, c4, mode);
        return isNaN(v) ? void 0 : v;
      });
      return res;
    }, {});
  }
  let interpolators = def.channels.reduce((res, ch) => {
    let ifn;
    if (isfn2(overrides)) {
      ifn = overrides;
    } else if (isobj(overrides) && isfn2(overrides[ch])) {
      ifn = overrides[ch];
    } else if (isobj(overrides) && isobj(overrides[ch]) && overrides[ch].use) {
      ifn = overrides[ch].use;
    } else if (isfn2(def.interpolate[ch])) {
      ifn = def.interpolate[ch];
    } else if (isobj(def.interpolate[ch])) {
      ifn = def.interpolate[ch].use;
    }
    res[ch] = ifn(fixed[ch]);
    return res;
  }, {});
  let n3 = conv_colors.length - 1;
  return (t) => {
    t = Math.min(Math.max(0, t), 1);
    if (t <= positions[0]) {
      return conv_colors[0];
    }
    if (t > positions[n3]) {
      return conv_colors[n3];
    }
    let idx = 0;
    while (positions[idx] < t)
      idx++;
    let start = positions[idx - 1];
    let delta = positions[idx] - start;
    let P = (t - start) / delta;
    let fn5 = fns[idx] || fns[0];
    if (fn5 !== void 0) {
      if (isnum(fn5)) {
        fn5 = midpoint_default((fn5 - start) / delta);
      }
      P = fn5(P);
    }
    let t0 = (idx - 1 + P) / n3;
    return def.channels.reduce(
      (res, channel) => {
        let val = interpolators[channel](t0);
        if (val !== void 0) {
          res[channel] = val;
        }
        return res;
      },
      { mode }
    );
  };
};
var interpolate = (colors, mode = "rgb", overrides) => interpolate_fn(colors, mode, overrides);
var interpolateWith = (premap, postmap) => (colors, mode = "rgb", overrides) => {
  let post = postmap ? mapper(postmap, mode) : void 0;
  let it = interpolate_fn(colors, mode, overrides, premap);
  return post ? (t) => post(it(t)) : it;
};
var interpolateWithPremultipliedAlpha = interpolateWith(
  mapAlphaMultiply,
  mapAlphaDivide
);

// src/interpolate/splineBasis.js
var mod = (v, l) => (v + l) % l;
var bspline = (Vim2, Vim1, Vi, Vip1, t) => {
  let t2 = t * t;
  let t3 = t2 * t;
  return ((1 - 3 * t + 3 * t2 - t3) * Vim2 + (4 - 6 * t2 + 3 * t3) * Vim1 + (1 + 3 * t + 3 * t2 - 3 * t3) * Vi + t3 * Vip1) / 6;
};
var interpolatorSplineBasis = (arr) => (t) => {
  let classes = arr.length - 1;
  let i = t >= 1 ? classes - 1 : Math.max(0, Math.floor(t * classes));
  return bspline(
    i > 0 ? arr[i - 1] : 2 * arr[i] - arr[i + 1],
    arr[i],
    arr[i + 1],
    i < classes - 1 ? arr[i + 2] : 2 * arr[i + 1] - arr[i],
    (t - i / classes) * classes
  );
};
var interpolatorSplineBasisClosed = (arr) => (t) => {
  const classes = arr.length - 1;
  const i = Math.floor(t * classes);
  return bspline(
    arr[mod(i - 1, arr.length)],
    arr[mod(i, arr.length)],
    arr[mod(i + 1, arr.length)],
    arr[mod(i + 2, arr.length)],
    (t - i / classes) * classes
  );
};

// src/interpolate/splineNatural.js
var solve = (v) => {
  let i;
  let n3 = v.length - 1;
  let c4 = new Array(n3);
  let _v = new Array(n3);
  let sol = new Array(n3);
  c4[1] = 1 / 4;
  _v[1] = (6 * v[1] - v[0]) / 4;
  for (i = 2; i < n3; ++i) {
    c4[i] = 1 / (4 - c4[i - 1]);
    _v[i] = (6 * v[i] - (i == n3 - 1 ? v[n3] : 0) - _v[i - 1]) * c4[i];
  }
  sol[0] = v[0];
  sol[n3] = v[n3];
  if (n3 - 1 > 0) {
    sol[n3 - 1] = _v[n3 - 1];
  }
  for (i = n3 - 2; i > 0; --i) {
    sol[i] = _v[i] - c4[i] * sol[i + 1];
  }
  return sol;
};
var interpolatorSplineNatural = (arr) => interpolatorSplineBasis(solve(arr));
var interpolatorSplineNaturalClosed = (arr) => interpolatorSplineBasisClosed(solve(arr));

// src/interpolate/splineMonotone.js
var sgn = Math.sign;
var min = Math.min;
var abs2 = Math.abs;
var mono = (arr) => {
  let n3 = arr.length - 1;
  let s = [];
  let p4 = [];
  let yp = [];
  for (let i = 0; i < n3; i++) {
    s.push((arr[i + 1] - arr[i]) * n3);
    p4.push(i > 0 ? 0.5 * (arr[i + 1] - arr[i - 1]) * n3 : void 0);
    yp.push(
      i > 0 ? (sgn(s[i - 1]) + sgn(s[i])) * min(abs2(s[i - 1]), abs2(s[i]), 0.5 * abs2(p4[i])) : void 0
    );
  }
  return [s, p4, yp];
};
var interpolator = (arr, yp, s) => {
  let n3 = arr.length - 1;
  let n22 = n3 * n3;
  return (t) => {
    let i;
    if (t >= 1) {
      i = n3 - 1;
    } else {
      i = Math.max(0, Math.floor(t * n3));
    }
    let t1 = t - i / n3;
    let t2 = t1 * t1;
    let t3 = t2 * t1;
    return (yp[i] + yp[i + 1] - 2 * s[i]) * n22 * t3 + (3 * s[i] - 2 * yp[i] - yp[i + 1]) * n3 * t2 + yp[i] * t1 + arr[i];
  };
};
var interpolatorSplineMonotone = (arr) => {
  if (arr.length < 3) {
    return interpolatorLinear(arr);
  }
  let n3 = arr.length - 1;
  let [s, , yp] = mono(arr);
  yp[0] = s[0];
  yp[n3] = s[n3 - 1];
  return interpolator(arr, yp, s);
};
var interpolatorSplineMonotone2 = (arr) => {
  if (arr.length < 3) {
    return interpolatorLinear(arr);
  }
  let n3 = arr.length - 1;
  let [s, p4, yp] = mono(arr);
  p4[0] = (arr[1] * 2 - arr[0] * 1.5 - arr[2] * 0.5) * n3;
  p4[n3] = (arr[n3] * 1.5 - arr[n3 - 1] * 2 + arr[n3 - 2] * 0.5) * n3;
  yp[0] = p4[0] * s[0] <= 0 ? 0 : abs2(p4[0]) > 2 * abs2(s[0]) ? 2 * s[0] : p4[0];
  yp[n3] = p4[n3] * s[n3 - 1] <= 0 ? 0 : abs2(p4[n3]) > 2 * abs2(s[n3 - 1]) ? 2 * s[n3 - 1] : p4[n3];
  return interpolator(arr, yp, s);
};
var interpolatorSplineMonotoneClosed = (arr) => {
  let n3 = arr.length - 1;
  let [s, p4, yp] = mono(arr);
  p4[0] = 0.5 * (arr[1] - arr[n3]) * n3;
  p4[n3] = 0.5 * (arr[0] - arr[n3 - 1]) * n3;
  let s_m1 = (arr[0] - arr[n3]) * n3;
  let s_n = s_m1;
  yp[0] = (sgn(s_m1) + sgn(s[0])) * min(abs2(s_m1), abs2(s[0]), 0.5 * abs2(p4[0]));
  yp[n3] = (sgn(s[n3 - 1]) + sgn(s_n)) * min(abs2(s[n3 - 1]), abs2(s_n), 0.5 * abs2(p4[n3]));
  return interpolator(arr, yp, s);
};

// src/easing/gamma.js
var gamma4 = (\u03B3 = 1) => \u03B3 === 1 ? (t) => t : (t) => Math.pow(t, \u03B3);
var gamma_default = gamma4;

// src/samples.js
var samples = (n3 = 2, \u03B3 = 1) => {
  let ease = gamma_default(\u03B3);
  if (n3 < 2) {
    return n3 < 1 ? [] : [ease(0.5)];
  }
  let res = [];
  for (let i = 0; i < n3; i++) {
    res.push(ease(i / (n3 - 1)));
  }
  return res;
};
var samples_default = samples;

// src/clamp.js
var rgb = converter_default("rgb");
var fixup_rgb = (c4) => {
  const res = {
    mode: c4.mode,
    r: Math.max(0, Math.min(c4.r, 1)),
    g: Math.max(0, Math.min(c4.g, 1)),
    b: Math.max(0, Math.min(c4.b, 1))
  };
  if (c4.alpha !== void 0) {
    res.alpha = c4.alpha;
  }
  return res;
};
var to_displayable_srgb = (c4) => fixup_rgb(rgb(c4));
var inrange_rgb = (c4) => {
  return c4 !== void 0 && c4.r >= 0 && c4.r <= 1 && c4.g >= 0 && c4.g <= 1 && c4.b >= 0 && c4.b <= 1;
};
function displayable(color) {
  return inrange_rgb(rgb(color));
}
function inGamut(mode = "rgb") {
  const { gamut } = getMode(mode);
  if (!gamut) {
    return (color) => true;
  }
  const conv = converter_default(typeof gamut === "string" ? gamut : mode);
  return (color) => inrange_rgb(conv(color));
}
function clampRgb(color) {
  color = prepare_default(color);
  if (color === void 0 || displayable(color))
    return color;
  let conv = converter_default(color.mode);
  return conv(to_displayable_srgb(color));
}
function clampGamut(mode = "rgb") {
  const { gamut } = getMode(mode);
  if (!gamut) {
    return (color) => prepare_default(color);
  }
  const destMode = typeof gamut === "string" ? gamut : mode;
  const destConv = converter_default(destMode);
  const inDestGamut = inGamut(destMode);
  return (color) => {
    const original = prepare_default(color);
    if (!original) {
      return void 0;
    }
    const converted = destConv(original);
    if (inDestGamut(converted)) {
      return original;
    }
    const clamped = fixup_rgb(converted);
    if (original.mode === clamped.mode) {
      return clamped;
    }
    return converter_default(original.mode)(clamped);
  };
}
function clampChroma(color, mode = "lch", rgbGamut = "rgb") {
  color = prepare_default(color);
  let inDestinationGamut = rgbGamut === "rgb" ? displayable : inGamut(rgbGamut);
  let clipToGamut = rgbGamut === "rgb" ? to_displayable_srgb : clampGamut(rgbGamut);
  if (color === void 0 || inDestinationGamut(color))
    return color;
  let conv = converter_default(color.mode);
  color = converter_default(mode)(color);
  let clamped = { ...color, c: 0 };
  if (!inDestinationGamut(clamped)) {
    return conv(clipToGamut(clamped));
  }
  let start = 0;
  let end = color.c;
  let range = getMode(mode).ranges.c;
  let resolution = (range[1] - range[0]) / Math.pow(2, 13);
  let _last_good_c;
  while (end - start > resolution) {
    clamped.c = start + (end - start) * 0.5;
    if (inDestinationGamut(clamped)) {
      _last_good_c = clamped.c;
      start = clamped.c;
    } else {
      end = clamped.c;
    }
  }
  return conv(
    inDestinationGamut(clamped) ? clamped : { ...clamped, c: _last_good_c }
  );
}
function toGamut(dest = "rgb", mode = "oklch", delta = differenceEuclidean("oklch"), jnd = 0.02) {
  const destConv = converter_default(dest);
  if (!getMode(dest).gamut) {
    return (color) => destConv(color);
  }
  const inDestinationGamut = inGamut(dest);
  const clipToGamut = clampGamut(dest);
  const ucs = converter_default(mode);
  const { ranges } = getMode(mode);
  const White = destConv("white");
  const Black = destConv("black");
  return (color) => {
    color = prepare_default(color);
    if (color === void 0) {
      return void 0;
    }
    const candidate = { ...ucs(color) };
    if (candidate.l >= ranges.l[1]) {
      const res = { ...White };
      if (color.alpha !== void 0) {
        res.alpha = color.alpha;
      }
      return res;
    }
    if (candidate.l <= ranges.l[0]) {
      const res = { ...Black };
      if (color.alpha !== void 0) {
        res.alpha = color.alpha;
      }
      return res;
    }
    if (inDestinationGamut(candidate)) {
      return destConv(candidate);
    }
    let start = 0;
    let end = candidate.c;
    let epsilon = (ranges.c[1] - ranges.c[0]) / 4e3;
    let clipped = clipToGamut(candidate);
    while (end - start > epsilon) {
      candidate.c = (start + end) * 0.5;
      clipped = clipToGamut(candidate);
      if (inDestinationGamut(candidate) || delta && jnd > 0 && delta(candidate, clipped) <= jnd) {
        start = candidate.c;
      } else {
        end = candidate.c;
      }
    }
    return destConv(inDestinationGamut(candidate) ? candidate : clipped);
  };
}

// src/nearest.js
var nearest = (colors, metric = differenceEuclidean(), accessor = (d) => d) => {
  let arr = colors.map((c4, idx) => ({ color: accessor(c4), i: idx }));
  return (color, n3 = 1, \u03C4 = Infinity) => {
    if (isFinite(n3)) {
      n3 = Math.max(1, Math.min(n3, arr.length - 1));
    }
    arr.forEach((c4) => {
      c4.d = metric(color, c4.color);
    });
    return arr.sort((a, b) => a.d - b.d).slice(0, n3).filter((c4) => c4.d < \u03C4).map((c4) => colors[c4.i]);
  };
};
var nearest_default = nearest;

// src/filter.js
var minzero = (v) => Math.max(v, 0);
var clamp2 = (v) => Math.max(Math.min(v, 1), 0);
var lerp2 = (a, b, t) => a === void 0 || b === void 0 ? void 0 : a + t * (b - a);
var matrixSepia = (amount) => {
  let a = 1 - clamp2(amount);
  return [
    0.393 + 0.607 * a,
    0.769 - 0.769 * a,
    0.189 - 0.189 * a,
    0,
    0.349 - 0.349 * a,
    0.686 + 0.314 * a,
    0.168 - 0.168 * a,
    0,
    0.272 - 0.272 * a,
    0.534 - 0.534 * a,
    0.131 + 0.869 * a,
    0,
    0,
    0,
    0,
    1
  ];
};
var matrixSaturate = (sat) => {
  let s = minzero(sat);
  return [
    0.213 + 0.787 * s,
    0.715 - 0.715 * s,
    0.072 - 0.072 * s,
    0,
    0.213 - 0.213 * s,
    0.715 + 0.285 * s,
    0.072 - 0.072 * s,
    0,
    0.213 - 0.213 * s,
    0.715 - 0.715 * s,
    0.072 + 0.928 * s,
    0,
    0,
    0,
    0,
    1
  ];
};
var matrixGrayscale = (amount) => {
  let a = 1 - clamp2(amount);
  return [
    0.2126 + 0.7874 * a,
    0.7152 - 0.7152 * a,
    0.0722 - 0.0722 * a,
    0,
    0.2126 - 0.2126 * a,
    0.7152 + 0.2848 * a,
    0.0722 - 0.0722 * a,
    0,
    0.2126 - 0.2126 * a,
    0.7152 - 0.7152 * a,
    0.0722 + 0.9278 * a,
    0,
    0,
    0,
    0,
    1
  ];
};
var matrixHueRotate = (degrees) => {
  let rad = Math.PI * degrees / 180;
  let c4 = Math.cos(rad);
  let s = Math.sin(rad);
  return [
    0.213 + c4 * 0.787 - s * 0.213,
    0.715 - c4 * 0.715 - s * 0.715,
    0.072 - c4 * 0.072 + s * 0.928,
    0,
    0.213 - c4 * 0.213 + s * 0.143,
    0.715 + c4 * 0.285 + s * 0.14,
    0.072 - c4 * 0.072 - s * 0.283,
    0,
    0.213 - c4 * 0.213 - s * 0.787,
    0.715 - c4 * 0.715 + s * 0.715,
    0.072 + c4 * 0.928 + s * 0.072,
    0,
    0,
    0,
    0,
    1
  ];
};
var matrix = (values, mode, preserve_mode = false) => {
  let conv = converter_default(mode);
  let channels = getMode(mode).channels;
  return (color) => {
    let c4 = conv(color);
    if (!c4) {
      return void 0;
    }
    let res = { mode };
    let ch;
    let count = channels.length;
    for (let i = 0; i < values.length; i++) {
      ch = channels[Math.floor(i / count)];
      if (c4[ch] === void 0) {
        continue;
      }
      res[ch] = (res[ch] || 0) + values[i] * (c4[channels[i % count]] || 0);
    }
    if (!preserve_mode) {
      return res;
    }
    let prep = prepare_default(color);
    return prep && res.mode !== prep.mode ? converter_default(prep.mode)(res) : res;
  };
};
var filterBrightness = (amt = 1, mode = "rgb") => {
  let a = minzero(amt);
  return mapper(mapTransferLinear(a), mode, true);
};
var filterContrast = (amt = 1, mode = "rgb") => {
  let a = minzero(amt);
  return mapper(mapTransferLinear(a, (1 - a) / 2), mode, true);
};
var filterSepia = (amt = 1, mode = "rgb") => matrix(matrixSepia(amt), mode, true);
var filterSaturate = (amt = 1, mode = "rgb") => matrix(matrixSaturate(amt), mode, true);
var filterGrayscale = (amt = 1, mode = "rgb") => matrix(matrixGrayscale(amt), mode, true);
var filterInvert = (amt = 1, mode = "rgb") => {
  let a = clamp2(amt);
  return mapper(
    (v, ch) => ch === "alpha" ? v : lerp2(a, 1 - a, v),
    mode,
    true
  );
};
var filterHueRotate = (deg = 0, mode = "rgb") => matrix(matrixHueRotate(deg), mode, true);

// src/deficiency.js
var rgb2 = converter_default("rgb");
var PROT = [
  [1, 0, -0, 0, 1, 0, -0, -0, 1],
  [
    0.856167,
    0.182038,
    -0.038205,
    0.029342,
    0.955115,
    0.015544,
    -288e-5,
    -1563e-6,
    1.004443
  ],
  [
    0.734766,
    0.334872,
    -0.069637,
    0.05184,
    0.919198,
    0.028963,
    -4928e-6,
    -4209e-6,
    1.009137
  ],
  [
    0.630323,
    0.465641,
    -0.095964,
    0.069181,
    0.890046,
    0.040773,
    -6308e-6,
    -7724e-6,
    1.014032
  ],
  [
    0.539009,
    0.579343,
    -0.118352,
    0.082546,
    0.866121,
    0.051332,
    -7136e-6,
    -0.011959,
    1.019095
  ],
  [
    0.458064,
    0.679578,
    -0.137642,
    0.092785,
    0.846313,
    0.060902,
    -7494e-6,
    -0.016807,
    1.024301
  ],
  [
    0.38545,
    0.769005,
    -0.154455,
    0.100526,
    0.829802,
    0.069673,
    -7442e-6,
    -0.02219,
    1.029632
  ],
  [
    0.319627,
    0.849633,
    -0.169261,
    0.106241,
    0.815969,
    0.07779,
    -7025e-6,
    -0.028051,
    1.035076
  ],
  [
    0.259411,
    0.923008,
    -0.18242,
    0.110296,
    0.80434,
    0.085364,
    -6276e-6,
    -0.034346,
    1.040622
  ],
  [
    0.203876,
    0.990338,
    -0.194214,
    0.112975,
    0.794542,
    0.092483,
    -5222e-6,
    -0.041043,
    1.046265
  ],
  [
    0.152286,
    1.052583,
    -0.204868,
    0.114503,
    0.786281,
    0.099216,
    -3882e-6,
    -0.048116,
    1.051998
  ]
];
var DEUTER = [
  [1, 0, -0, 0, 1, 0, -0, -0, 1],
  [
    0.866435,
    0.177704,
    -0.044139,
    0.049567,
    0.939063,
    0.01137,
    -3453e-6,
    7233e-6,
    0.99622
  ],
  [
    0.760729,
    0.319078,
    -0.079807,
    0.090568,
    0.889315,
    0.020117,
    -6027e-6,
    0.013325,
    0.992702
  ],
  [
    0.675425,
    0.43385,
    -0.109275,
    0.125303,
    0.847755,
    0.026942,
    -795e-5,
    0.018572,
    0.989378
  ],
  [
    0.605511,
    0.52856,
    -0.134071,
    0.155318,
    0.812366,
    0.032316,
    -9376e-6,
    0.023176,
    0.9862
  ],
  [
    0.547494,
    0.607765,
    -0.155259,
    0.181692,
    0.781742,
    0.036566,
    -0.01041,
    0.027275,
    0.983136
  ],
  [
    0.498864,
    0.674741,
    -0.173604,
    0.205199,
    0.754872,
    0.039929,
    -0.011131,
    0.030969,
    0.980162
  ],
  [
    0.457771,
    0.731899,
    -0.18967,
    0.226409,
    0.731012,
    0.042579,
    -0.011595,
    0.034333,
    0.977261
  ],
  [
    0.422823,
    0.781057,
    -0.203881,
    0.245752,
    0.709602,
    0.044646,
    -0.011843,
    0.037423,
    0.974421
  ],
  [
    0.392952,
    0.82361,
    -0.216562,
    0.263559,
    0.69021,
    0.046232,
    -0.01191,
    0.040281,
    0.97163
  ],
  [
    0.367322,
    0.860646,
    -0.227968,
    0.280085,
    0.672501,
    0.047413,
    -0.01182,
    0.04294,
    0.968881
  ]
];
var TRIT = [
  [1, 0, -0, 0, 1, 0, -0, -0, 1],
  [
    0.92667,
    0.092514,
    -0.019184,
    0.021191,
    0.964503,
    0.014306,
    8437e-6,
    0.054813,
    0.93675
  ],
  [
    0.89572,
    0.13333,
    -0.02905,
    0.029997,
    0.9454,
    0.024603,
    0.013027,
    0.104707,
    0.882266
  ],
  [
    0.905871,
    0.127791,
    -0.033662,
    0.026856,
    0.941251,
    0.031893,
    0.01341,
    0.148296,
    0.838294
  ],
  [
    0.948035,
    0.08949,
    -0.037526,
    0.014364,
    0.946792,
    0.038844,
    0.010853,
    0.193991,
    0.795156
  ],
  [
    1.017277,
    0.027029,
    -0.044306,
    -6113e-6,
    0.958479,
    0.047634,
    6379e-6,
    0.248708,
    0.744913
  ],
  [
    1.104996,
    -0.046633,
    -0.058363,
    -0.032137,
    0.971635,
    0.060503,
    1336e-6,
    0.317922,
    0.680742
  ],
  [
    1.193214,
    -0.109812,
    -0.083402,
    -0.058496,
    0.97941,
    0.079086,
    -2346e-6,
    0.403492,
    0.598854
  ],
  [
    1.257728,
    -0.139648,
    -0.118081,
    -0.078003,
    0.975409,
    0.102594,
    -3316e-6,
    0.501214,
    0.502102
  ],
  [
    1.278864,
    -0.125333,
    -0.153531,
    -0.084748,
    0.957674,
    0.127074,
    -989e-6,
    0.601151,
    0.399838
  ],
  [
    1.255528,
    -0.076749,
    -0.178779,
    -0.078411,
    0.930809,
    0.147602,
    4733e-6,
    0.691367,
    0.3039
  ]
];
var deficiency = (lut, t) => {
  let tt = Math.max(0, Math.min(1, t));
  let i = Math.round(tt / 0.1);
  let w = Math.round(tt % 0.1);
  let arr = lut[i];
  if (w > 0 && i < lut.length - 1) {
    let arr_2 = lut[i + 1];
    arr = arr.map((v, idx) => lerp(arr[idx], arr_2[idx], w));
  }
  return (color) => {
    let c4 = prepare_default(color);
    if (c4 === void 0) {
      return void 0;
    }
    let { r: r2, g, b } = rgb2(c4);
    let ret = {
      mode: "rgb",
      r: arr[0] * r2 + arr[1] * g + arr[2] * b,
      g: arr[3] * r2 + arr[4] * g + arr[5] * b,
      b: arr[6] * r2 + arr[7] * g + arr[8] * b
    };
    if (c4.alpha !== void 0) {
      ret.alpha = c4.alpha;
    }
    return converter_default(c4.mode)(ret);
  };
};
var filterDeficiencyProt = (severity = 1) => deficiency(PROT, severity);
var filterDeficiencyDeuter = (severity = 1) => deficiency(DEUTER, severity);
var filterDeficiencyTrit = (severity = 1) => deficiency(TRIT, severity);

// src/easing/smoothstep.js
var easingSmoothstep = (t) => t * t * (3 - 2 * t);
var easingSmoothstepInverse = (t) => 0.5 - Math.sin(Math.asin(1 - 2 * t) / 3);

// src/easing/smootherstep.js
var smootherstep = (t) => t * t * t * (t * (t * 6 - 15) + 10);
var smootherstep_default = smootherstep;

// src/easing/inOutSine.js
var inOutSine = (t) => (1 - Math.cos(t * Math.PI)) / 2;
var inOutSine_default = inOutSine;

// src/wcag.js
function luminance(color) {
  let c4 = converter_default("lrgb")(color);
  return 0.2126 * c4.r + 0.7152 * c4.g + 0.0722 * c4.b;
}
function contrast(a, b) {
  let L1 = luminance(a);
  let L2 = luminance(b);
  return (Math.max(L1, L2) + 0.05) / (Math.min(L1, L2) + 0.05);
}

// src/index.js
var a98 = useMode(definition_default2);
var cubehelix = useMode(definition_default3);
var dlab = useMode(definition_default4);
var dlch = useMode(definition_default5);
var hsi = useMode(definition_default6);
var hsl = useMode(definition_default7);
var hsv = useMode(definition_default8);
var hwb = useMode(definition_default9);
var jab = useMode(definition_default10);
var jch = useMode(definition_default11);
var lab = useMode(definition_default12);
var lab65 = useMode(definition_default13);
var lch = useMode(definition_default14);
var lch65 = useMode(definition_default15);
var lchuv = useMode(definition_default16);
var lrgb = useMode(definition_default17);
var luv = useMode(definition_default18);
var okhsl = useMode(modeOkhsl_default);
var okhsv = useMode(modeOkhsv_default);
var oklab = useMode(definition_default19);
var oklch = useMode(definition_default20);
var p3 = useMode(definition_default21);
var prophoto = useMode(definition_default22);
var rec2020 = useMode(definition_default23);
var rgb3 = useMode(definition_default);
var xyb = useMode(definition_default24);
var xyz50 = useMode(definition_default25);
var xyz65 = useMode(definition_default26);
var yiq = useMode(definition_default27);
export {
  a98,
  average,
  averageAngle,
  averageNumber,
  blend_default as blend,
  blerp,
  clampChroma,
  clampGamut,
  clampRgb,
  named_default as colorsNamed,
  convertA98ToXyz65_default as convertA98ToXyz65,
  convertCubehelixToRgb_default as convertCubehelixToRgb,
  convertDlchToLab65_default as convertDlchToLab65,
  convertHsiToRgb,
  convertHslToRgb,
  convertHsvToRgb,
  convertHwbToRgb,
  convertJabToJch_default as convertJabToJch,
  convertJabToRgb_default as convertJabToRgb,
  convertJabToXyz65_default as convertJabToXyz65,
  convertJchToJab_default as convertJchToJab,
  convertLab65ToDlch_default as convertLab65ToDlch,
  convertLab65ToRgb_default as convertLab65ToRgb,
  convertLab65ToXyz65_default as convertLab65ToXyz65,
  convertLabToLch_default as convertLabToLch,
  convertLabToRgb_default as convertLabToRgb,
  convertLabToXyz50_default as convertLabToXyz50,
  convertLchToLab_default as convertLchToLab,
  convertLchuvToLuv_default as convertLchuvToLuv,
  convertLrgbToOklab_default as convertLrgbToOklab,
  convertLrgbToRgb_default as convertLrgbToRgb,
  convertLuvToLchuv_default as convertLuvToLchuv,
  convertLuvToXyz50_default as convertLuvToXyz50,
  convertOkhslToOklab,
  convertOkhsvToOklab,
  convertOklabToLrgb_default as convertOklabToLrgb,
  convertOklabToOkhsl,
  convertOklabToOkhsv,
  convertOklabToRgb_default as convertOklabToRgb,
  convertP3ToXyz65_default as convertP3ToXyz65,
  convertProphotoToXyz50_default as convertProphotoToXyz50,
  convertRec2020ToXyz65_default as convertRec2020ToXyz65,
  convertRgbToCubehelix_default as convertRgbToCubehelix,
  convertRgbToHsi,
  convertRgbToHsl,
  convertRgbToHsv,
  convertRgbToHwb,
  convertRgbToJab_default as convertRgbToJab,
  convertRgbToLab_default as convertRgbToLab,
  convertRgbToLab65_default as convertRgbToLab65,
  convertRgbToLrgb_default as convertRgbToLrgb,
  convertRgbToOklab_default as convertRgbToOklab,
  convertRgbToXyb_default as convertRgbToXyb,
  convertRgbToXyz50_default as convertRgbToXyz50,
  convertRgbToXyz65_default as convertRgbToXyz65,
  convertRgbToYiq_default as convertRgbToYiq,
  convertXybToRgb_default as convertXybToRgb,
  convertXyz50ToLab_default as convertXyz50ToLab,
  convertXyz50ToLuv_default as convertXyz50ToLuv,
  convertXyz50ToProphoto_default as convertXyz50ToProphoto,
  convertXyz50ToRgb_default as convertXyz50ToRgb,
  convertXyz50ToXyz65_default as convertXyz50ToXyz65,
  convertXyz65ToA98_default as convertXyz65ToA98,
  convertXyz65ToJab_default as convertXyz65ToJab,
  convertXyz65ToLab65_default as convertXyz65ToLab65,
  convertXyz65ToP3_default as convertXyz65ToP3,
  convertXyz65ToRec2020_default as convertXyz65ToRec2020,
  convertXyz65ToRgb_default as convertXyz65ToRgb,
  convertXyz65ToXyz50_default as convertXyz65ToXyz50,
  convertYiqToRgb_default as convertYiqToRgb,
  converter_default as converter,
  cubehelix,
  differenceCie76,
  differenceCie94,
  differenceCiede2000,
  differenceCmc,
  differenceEuclidean,
  differenceHueChroma,
  differenceHueNaive,
  differenceHueSaturation,
  differenceHyab,
  differenceKotsarenkoRamos,
  displayable,
  dlab,
  dlch,
  gamma_default as easingGamma,
  inOutSine_default as easingInOutSine,
  midpoint_default as easingMidpoint,
  smootherstep_default as easingSmootherstep,
  easingSmoothstep,
  easingSmoothstepInverse,
  filterBrightness,
  filterContrast,
  filterDeficiencyDeuter,
  filterDeficiencyProt,
  filterDeficiencyTrit,
  filterGrayscale,
  filterHueRotate,
  filterInvert,
  filterSaturate,
  filterSepia,
  fixupAlpha,
  fixupHueDecreasing,
  fixupHueIncreasing,
  fixupHueLonger,
  fixupHueShorter,
  formatCss,
  formatHex,
  formatHex8,
  formatHsl,
  formatRgb,
  getMode,
  hsi,
  hsl,
  hsv,
  hwb,
  inGamut,
  interpolate,
  interpolateWith,
  interpolateWithPremultipliedAlpha,
  interpolatorLinear,
  interpolatorPiecewise,
  interpolatorSplineBasis,
  interpolatorSplineBasisClosed,
  interpolatorSplineMonotone,
  interpolatorSplineMonotone2,
  interpolatorSplineMonotoneClosed,
  interpolatorSplineNatural,
  interpolatorSplineNaturalClosed,
  jab,
  jch,
  lab,
  lab65,
  lch,
  lch65,
  lchuv,
  lerp,
  lrgb,
  luv,
  mapAlphaDivide,
  mapAlphaMultiply,
  mapTransferGamma,
  mapTransferLinear,
  mapper,
  definition_default2 as modeA98,
  definition_default3 as modeCubehelix,
  definition_default4 as modeDlab,
  definition_default5 as modeDlch,
  definition_default6 as modeHsi,
  definition_default7 as modeHsl,
  definition_default8 as modeHsv,
  definition_default9 as modeHwb,
  definition_default10 as modeJab,
  definition_default11 as modeJch,
  definition_default12 as modeLab,
  definition_default13 as modeLab65,
  definition_default14 as modeLch,
  definition_default15 as modeLch65,
  definition_default16 as modeLchuv,
  definition_default17 as modeLrgb,
  definition_default18 as modeLuv,
  modeOkhsl_default as modeOkhsl,
  modeOkhsv_default as modeOkhsv,
  definition_default19 as modeOklab,
  definition_default20 as modeOklch,
  definition_default21 as modeP3,
  definition_default22 as modeProphoto,
  definition_default23 as modeRec2020,
  definition_default as modeRgb,
  definition_default24 as modeXyb,
  definition_default25 as modeXyz50,
  definition_default26 as modeXyz65,
  definition_default27 as modeYiq,
  nearest_default as nearest,
  okhsl,
  okhsv,
  oklab,
  oklch,
  p3,
  parse_default as parse,
  parseHex_default as parseHex,
  parseHsl_default as parseHsl,
  parseHslLegacy_default as parseHslLegacy,
  parseHwb_default as parseHwb,
  parseLab_default as parseLab,
  parseLch_default as parseLch,
  parseNamed_default as parseNamed,
  parseOklab_default as parseOklab,
  parseOklch_default as parseOklch,
  parseRgb_default as parseRgb,
  parseRgbLegacy_default as parseRgbLegacy,
  parseTransparent_default as parseTransparent,
  prophoto,
  random_default as random,
  rec2020,
  removeParser,
  rgb3 as rgb,
  round_default as round,
  samples_default as samples,
  serializeHex,
  serializeHex8,
  serializeHsl,
  serializeRgb,
  toGamut,
  trilerp,
  unlerp,
  useMode,
  useParser,
  contrast as wcagContrast,
  luminance as wcagLuminance,
  xyb,
  xyz50,
  xyz65,
  yiq
};

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