Color Mixer is a Homebrew Application coded in LUA which allows you to create your own colors by modifying RGB values from 0 up to 255. You’ll have to define two colors, and the result of the sum of these two colors will be shown.

This Homebrew not exactly mixes colours, but calculates sums of R values, V values and B values you have defined.

http://forums.qj.net/showthread.php?t=137185