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/* IMPORT */
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import _ from '../utils/index.js';
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import Color from '../color/index.js';
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/* MAIN */
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//SOURCE: https://planetcalc.com/7779
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const luminance = (color) => {
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const { r, g, b } = Color.parse(color);
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const luminance = .2126 * _.channel.toLinear(r) + .7152 * _.channel.toLinear(g) + .0722 * _.channel.toLinear(b);
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return _.lang.round(luminance);
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};
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/* EXPORT */
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export default luminance;
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