Originally posted by cephyn
strict definitions of color regard the type of light they reflect. White reflects all colors, black reflects none. Other looser definitions call white and black 'shades' -- along with all greys in between.
So when it comes down to it, the only true colors are the primary colors, the rest are mixes of the primaries.
Black and White aren't in the color spectrum, also. But I'm not going to get into that, wavelengths and stuff.