I know that no object has a definite color that exist outside of the brains interpretation of the light being reflected off if an object. So if I say the ball is red what I am actually saying is in my mind I visualize the ball as red. That being said color must be a subjective experience and that color assignment is a mental activity? I would follow up to ask is it possible that different brains assign different colors to the same object? The real simple question would have been how do all humans see the same objects having the same colors? TIA ELI5
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Humans have cone cells that respond to different wavelengths of light. Each color we see is a representation of how each type of cone cell is responding at what intensity to any given input. Most people have three types of cone cells which sort of loosely correspond to red, green, and blue. Really it’s much larger areas of the visible light spectrum.
Humans simply assign names to the inputs. Now there’re people with four types of cone cells which can interpret more color variation and there are people with issues seeing certain colors like with colorblindness. So it’s going to vary slightly between humans.
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