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StevenBlack/gist:960189

Created May 7, 2011 04:05
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getContrastYIQ(hexcolor)
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gistfile1.txt
// for contrasting text color
// Original article: http://24ways.org/2010/calculating-color-contrast
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*144))/1000;
return (yiq >= 131.5) ? 'black' : 'white';
}
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