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thiphariel/yiq.js

Created November 3, 2014 14:57
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Light color detection
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yiq.js
/**
* Light color detection
* source : http://en.wikipedia.org/wiki/YIQ
*/
var light = function(hex) {
var r = parseInt(hex.substr(0, 2), 16);
var g = parseInt(hex.substr(2, 2), 16);
var b = parseInt(hex.substr(4, 2), 16);
var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
return yiq <= 196;
};
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