– What happens when an artist mixes paint for a painting? Are the pigments actually changing physically/chemically? What is actually happening to make the paints change color?

Question

– What happens when an artist mixes paint for a painting? Are the pigments actually changing physically/chemically? What is actually happening to make the paints change color?

In: 4221

Answer 1

I got a tattoo once and they mixed together two colors.

A few years later the brighter of the colors completely faded and only the second one was left.