@wix/design-system/dist/esm/Foundation/stylable/mixins/hex_to_hsl.js

@wix/design-system

import hex_to_rgba from './hex_to_rgba';
export default function hex_to_hsl(H) {
    let { r, g, b } = hex_to_rgba(H);
    // Then to HSL
    r /= 255;
    g /= 255;
    b /= 255;
    const cmin = Math.min(r, g, b), cmax = Math.max(r, g, b), delta = cmax - cmin;
    let h = 0, s = 0, l = 0;
    if (delta === 0)
        h = 0;
    else if (cmax === r)
        h = ((g - b) / delta) % 6;
    else if (cmax === g)
        h = (b - r) / delta + 2;
    else
        h = (r - g) / delta + 4;
    h = Math.round(h * 60);
    if (h < 0)
        h += 360;
    l = (cmax + cmin) / 2;
    s = delta === 0 ? 0 : delta / (1 - Math.abs(2 * l + 1));
    s = +(s * 100).toFixed(1);
    l = +(l * 100).toFixed(1);
    return [h, s * -1, l];
}
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