That depends on whether you're mixing paint or mixing light.
-- If you're mixing light, 'black' means no light at all, so the result is
exactly the same green that you mix it with.
-- If you're mixing paint, the result is something so yucky that
I don't even want to talk about it.
Red + yellow + green = brown.
Groinge
blue + yellow = green
A weird shade of black is produced:
2 plus 2 equal 4
Red + yellow + green = brown.
Groinge
blue + yellow = green
A weird shade of black is produced:
0-black.2-green
It Equals hazel
A light green
If you mix green and yellow together, you will end up with a lighter shade of green.
purple
it equals dark green
An eerie shade of brown, i'd imagine.
When you mix red and green together you get brown. Red and green are both primary colors (along with blue).