The original source by Natalie Wolchover:
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Blue yellow, also known as green? Lmfao the only color you need to be concerned about not seeing is purple. Very sneaky color. Doesn’t really exist, you see.
I might have thought that you were kidding, but I just recently found out there’s no such thing as brown.
Oh brown is real. You just can’t make a brown light. It’s them purple bastards wots sneaks up and gits ya. Veeeeery sneaky, purple is.
Brown, you mean dark yellow?
Pink does not exist either.
In subtractive (paint) coloring, yes, blue and yellow makes green. In additive (light) colors, blue and yellow are opposites and add up to white with our eyes
