– 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?
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It’s analagous to your TV or monitor, which actually has only 3 colours (red, green, blue) but as long as you’re far enough back to not distinguish the pixels your eye blends them into thousands of apparent colours based on the relative strengths of each. The eye itself has only 3 color receptors and is built to perceive all the rest through signal processing. The brain does some, too.
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