Converts hexadecimal colors to RGB color tuples

hex2rgb.js

var hex2rgb = function(color) {
    var r = color.match(/^#(([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2}))$/i);
    if (!r) return [0, 0, 0, 255];
    return [parseInt(r[2], 16), 
            parseInt(r[3], 16), 
            parseInt(r[4], 16), 255];
}