     {
         super();
         if (startRGB != StyleManager.NOT_A_COLOR)
-            startHSB = HSBColor.RGBtoHSB(startRGB);
+            startHSB = HSBColor.convertRGBtoHSB(startRGB);
         if (endRGB != StyleManager.NOT_A_COLOR)
-            endHSB = HSBColor.RGBtoHSB(endRGB);
+            endHSB = HSBColor.convertRGBtoHSB(endRGB);
     }
    
     /**

    private function combine(baseValue:uint, deltaValue:uint,
        increment:Boolean):Object
    {
        var start:HSBColor = HSBColor.RGBtoHSB(baseValue);
        var delta:HSBColor = HSBColor.RGBtoHSB(deltaValue);
        var newH:Number, newS:Number, newB:Number;
        if (increment)
        {

            newS = Math.max(start.saturation - delta.saturation, 0);
            newB = Math.max(start.brightness - delta.brightness, 0);
        }
        return HSBColor.convertHSBtoRGB(newH, newS, newB);
    }

    /**
