Why are indigo and violet in the rainbow and not just purple?
![](https://lemmy.world/pictrs/image/0943eca5-c4c2-4d65-acc2-7e220598f99e.png)
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”?
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It was originally ROYGB and the rest.
Was that the 3 hour colour wheel?
I got that joke. Nice.