eli5:How come one end of light wavelengths is red and one violet, not black and white?

Question

eli5:How come one end of light wavelengths is red and one violet, not black and white?

In: Physics

Answer 1

Because white is a combination of all of the visible wavelengths and black isn’t any light at all.

Colors are the result of different wavelengths of light. White and black are all or nothing. It makes zero sense to talk about black and white when discussing wavelength