Here is a color palette display and selection app so that you can see what a color looks like on the cube and get its exact RGB color value. It also includes a start to a text class which allows you to print A-Z and 0-9 in any color anywhere on the screen.
One cube shows the selected color. Shake this cube if you want to see a random color.
One cube shows the full color palette
One cube shows the RGB value and is used to change the selected color by adding it to the side of the color palette cube.