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by HarHarVeryFunny 17 hours ago
No - he's right - it's all relative. Our experience of a color is based on recall of things of that color.

Experimentally it's been shown that if a subject wears color goggle then initially everything will appear color tinted, but after a while normal color perception returns. The quale of "red" is not some absolute thing related to the wavelength (hence neural inputs) of red light.