Edit File: convertXyz65ToA98.js
/* Convert CIE XYZ D65 values to A98 RGB References: * https://drafts.csswg.org/css-color/#color-conversion-code * http://www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html */ const gamma = v => Math.pow(Math.abs(v), 256 / 563) * Math.sign(v); const 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 !== undefined) { res.alpha = alpha; } return res; }; export default convertXyz65ToA98;
Back