Wishbone: Using paint, yes. Using light, it's an absence of all colors. Actually, it's technically always an absence of all colors, since the reason black paint is black is that it absorbs all visible wavelengths without reflecting any of them.
Picky, picky!
Urple? That's a lovely color! Got a picture?
(and here you thought you'd be able to edit your mistake before it was caught. har.)
zeogold: It's actually a combination of all colors.
Green is mine, dark blue running a close second.
Tarm: You're confusing it with the impersonal old boring White.
I imagine you see enough of that, considering where you're from.