As others have said I am using Launcher Pro.
Unfortunately there is no way to change the colour.
But fine for the Bee home screen since we can rationalise as a Bee Sting
I mailed the developer for an option to change the colour.
My pref would be Blue. Anyway haven't heard but seems to be a common request.
Is it something you created yourself?
If not (or if so) would you be so kind as to share them?