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svieira/color-contrast.js

Last active July 15, 2016 00:02
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YIQ Method of calculating contrast
Raw
color-contrast.js
function textColor(bgColor) {
var r = bgColor.r * 255,
g = bgColor.g * 255,
b = bgColor.b * 255;
var yiq = (r * 299 + g * 587 + b * 114) / 1000;
return (yiq >= 128) ? 'black' : 'white';
}
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