Some of the bills in my country are brown. They should be associated with... ?
Our bills look tired and like relics from the 18th century. I'm always jealous when I see the colorful banknotes from other countries. I realize people are averse to making US bills look like play money, but there's gotta be a better way. I'm sure it's not that hard to come up with something that's modern, traditional, and distinctive.
The reason Post-Its are yellow is that it was the only scrap paper they had lying around at the time they made the prototypes.
I'm coloblind and it always just looks black and white in sepia
That only applies to the 1, 20 & 100 though. What about 5 (yellow & purple), 10 (yellow) & 50 (purple?)
The illusion of stability....