Color Transformation - HUE Increase

Hello!

I use the following code to change the color of a gradient logo:

var myColor:Color = new Color(logo_mc);
myColor.setTransform({ra:100, rb:0, ga:100, gb:0, ba:100, bb:0});

Playing around with Fireworks, however, I found out that if I were to increase HUE from 0 to 121 the logo would look much better.

Does anybody have any idea how to modify the object {ra:100, rb:0, ga:100, gb:0, ba:100, bb:0} to reflect a HUE increase of 121 points?

Thank you very much!