var superclass = EXTLIB.ColorAnim.superclass,
        colorRE = /color$/i,
        transparentRE = /^transparent|rgba\(0, 0, 0, 0\)$/,
        rgbRE = /^rgb\(([0-9]+)\s*,\s*([0-9]+)\s*,\s*([0-9]+)\)$/i,
        hexRE= /^#?([0-9A-F]{2})([0-9A-F]{2})([0-9A-F]{2})$/i,