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ncou/relativelumance.js

Forked from jfsiii/relativelumance.js
Created November 6, 2016 10:50
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Relative Luminance from RGB color.
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relativelumance.js
// from http://en.wikipedia.org/wiki/Luminance_(relative)
// R, G, B are integers between 0 and 255
function relativeLuminance(R, G, B) {
var Y = (0.2126 * R + 0.7152 * G + 0.0722 * B) / 255;
return Y;
}
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