I can't argue with his point.

Flying Squid@lemmy.worldmod to Lemmy Shitpost@lemmy.world – 1454 points –
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Fine do you want to call it a violet onion then? They are basically the exact same damn thing and violet is a wavelength

https://jakubmarian.com/difference-between-violet-and-purple/

Violet and Purple are indeed not the same thing. Purple exists in that we perceive it... that's not what I'm arguing against. It's just that it's not a "real" color. It's only because of this "mass hallucination" of sorts that we're okay just accepting that it must be a color when it isn't representable as a single spectrum color like every other color. It is purple... but purple isn't a real color, it's effectively just shorthand for saying that this color is both blue and red. It's just you being human.

Brown has the same problem in that it's just dark orange (from the light spectrum perspective). It turns out that brightness context matters to us, so we choose brown to represent a large swath of that.

I have a shorthand for “only real in the context that it’s real for humans”… hint, it has four letters and starts with “real”.

:) interesting info!