19 upvotes, 1 direct replies (showing 1)
View submission: Puzzle parrot
Parrots have awesome vision, they are tetrachromats. They can even see colors that we can not see.
Comment by GoAheadAndH8Me at 27/06/2017 at 13:37 UTC
5 upvotes, 0 direct replies
I wonder if that makes this puzzle harder, like are the shapes that are one color to us some kind of gradient to the parrot?