convertXyz65ToXyz50.js•712 B
/*
Chromatic adaptation of CIE XYZ from D65 to D50 white point
using the Bradford method.
References:
* https://drafts.csswg.org/css-color/#color-conversion-code
* http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
*/
const convertXyz65ToXyz50 = xyz65 => {
let { x, y, z, alpha } = xyz65;
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 !== undefined) {
res.alpha = alpha;
}
return res;
};
export default convertXyz65ToXyz50;