+ // Otherwise, we're most likely dealing with a named color
+ return $.colorUtil.colors[jQuery.trim(color).toLowerCase()];
+ },
+
+ // Some named colors to work with
+ // From Interface by Stefan Petre
+ // http://interface.eyecon.ro/
+ colors: {
+ aqua:[0,255,255],
+ azure:[240,255,255],
+ beige:[245,245,220],
+ black:[0,0,0],
+ blue:[0,0,255],
+ brown:[165,42,42],
+ cyan:[0,255,255],
+ darkblue:[0,0,139],
+ darkcyan:[0,139,139],
+ darkgrey:[169,169,169],
+ darkgreen:[0,100,0],
+ darkkhaki:[189,183,107],
+ darkmagenta:[139,0,139],
+ darkolivegreen:[85,107,47],
+ darkorange:[255,140,0],
+ darkorchid:[153,50,204],
+ darkred:[139,0,0],
+ darksalmon:[233,150,122],
+ darkviolet:[148,0,211],
+ fuchsia:[255,0,255],
+ gold:[255,215,0],
+ green:[0,128,0],
+ indigo:[75,0,130],
+ khaki:[240,230,140],
+ lightblue:[173,216,230],
+ lightcyan:[224,255,255],
+ lightgreen:[144,238,144],
+ lightgrey:[211,211,211],
+ lightpink:[255,182,193],
+ lightyellow:[255,255,224],
+ lime:[0,255,0],
+ magenta:[255,0,255],
+ maroon:[128,0,0],
+ navy:[0,0,128],
+ olive:[128,128,0],
+ orange:[255,165,0],
+ pink:[255,192,203],
+ purple:[128,0,128],
+ violet:[128,0,128],
+ red:[255,0,0],
+ silver:[192,192,192],
+ white:[255,255,255],
+ yellow:[255,255,0],
+ transparent: [255,255,255]
+ },
+ /**
+ * http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
+ * Converts an RGB color value to HSL. Conversion formula
+ * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
+ * Assumes r, g, and b are contained in the set [0, 255] and
+ * returns h, s, and l in the set [0, 1].
+ *
+ * @param Number R The red color value
+ * @param Number G The green color value
+ * @param Number B The blue color value
+ * @return Array The HSL representation
+ */
+ rgbToHsl: function( R, G, B ) {
+ var r = R / 255,
+ g = G / 255,
+ b = B / 255;
+ var max = Math.max(r, g, b), min = Math.min(r, g, b);
+ var h, s, l = (max + min) / 2;
+
+ if(max == min){
+ h = s = 0; // achromatic
+ }else{
+ var d = max - min;
+ s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
+ switch(max){
+ case r: h = (g - b) / d + (g < b ? 6 : 0); break;
+ case g: h = (b - r) / d + 2; break;
+ case b: h = (r - g) / d + 4; break;