Even though you can see purple, there's no purple light. This also explains why we can use a colour wheel when the electromagnetic spectrum is linear.

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Paul Longinidis Purple Flower (CC BY 2.0) https://flic.kr/p/qG6xJa

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Drum Solo Birdman by Michikawa
https://www.pond5.com/stock-music/70917957/drum-solo-birdman.html

Sources
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