Primary Colors Are Red, Yellow and Blue, Right? Not Exactly

Primary colors are the blocks from which all other colors are built. But there's a lot more to know about them than the basic red, yellow and blue we learned about in kindergarten.

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錐体細胞は赤緑青の3色ですが、 モノの色を比較はするときは「赤み黄み青みがかってる」のようにRYBで感じられます。 どうしてモノは視細胞とは違う見え方をするのでしょうか？ - Quora

If red, yellow and blue are the primary colors, why are most lights and computer colors based around red, green, and blue? - Quora