It depends on whether you are talking about pigments (paints) or colours (light).
Red + Green paint = brown
Red + Green light = yellow.
the colours Red plus Green equals Brown
yellow light
Bluish brown
yellow light
he doesn't have one if you check on his myspace profile
Red + Red = Red Red + Blue = Purple
Red + yellow + green = brown.
Red and green makes brown :)
Blue plus red equals purple
red plus blue equals purple
Blue plus red equals purple
blue