How come red & purple are on opposite, far ends of the electromagnetic spectrum, but when mixing colors together in kindergarten, purple is halfway between red & blue?

Question

Shouldn’t common sense dictate that either both be one, or both be the other?

In: 1934

Answer 1

Paint and light work differently.

If I’m mixing different colors of light together, the end result gets closer to white.

If I’m mixing different colors of paint together, the end result gets closer to black.