You may have a look here http://www.oshonsoft.com/pic.html.

You can use the trial version of the simulator and set colours in four different ways (backgrounds: light, dark, green and blue).

Unfortunately, I can't attach any files at the moment (?!) but have a look here, I have used the "dark" background: http://home.citycable.ch/flotulopex/..._e.htm#Display.