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KaiWedekind/contrast.js

Last active September 4, 2018 18:15
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contrast.js
function getContrastYIQ(hexcolor){
var r = parseInt(hexcolor.substr(0, 2), 16);
var g = parseInt(hexcolor.substr(2, 2), 16);
var b = parseInt(hexcolor.substr(4, 2), 16);
var yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
return (yiq >= 128) ? 'black' : 'white';
}
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