It's also Cmyk, the colors used in printing.
Not too long ago there's a bunch of people here posting a ton of art with nothing but these five colours, black, white, cyan, magenta, and yellow, and calling it the "Cartoon Network Palette Challenge" or something like that. Turns out that this is a meme from Twitter with 100,000 likes or something.
Mr. Sneaks (right) belongs to Antoons / @Ant0on
The other guy (left) is only there for eligibility.
My Twitter:
It's also Cmyk, the colors used in printing.
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