I always learned “ROYGBIV” as the colors of the rainbow. Red, orange, yellow, blue, indigo, violet.

What’s up with the last two? Isn’t indigo basically just dark blue? Why is it violet and not purple? Can’t it just be “ROYGBP”?

  • Thassar@lemmy.blahaj.zone
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    1 year ago

    You’d think so but colours are weird. Some of the ones we see aren’t ones that actually exist, they’re invented by our brains. Magenta for example doesn’t exist, there is no wavelength for it and because of the way our eyes detect light it should really be a shade of green. But our brain doesn’t like that and invents a brand new colour instead.