Tie dyed !
Actually, many nations use different colors. It makes it easier to recognize denominations at a glance. :)
If money wasn't green what color would you want it to be?
In my part of the world, it isn't green its Technicolor.
Yellow. Bright and cheerful 📁
I think it's mainly green here as I've seen orange , blue and red money from other countries.
pink with red polka dots
It should be the color of pepperoni.
Holographic! We can even have different colors of this if we add a slight pigment to the different types of bills.
Red--to remind us that it has been known to burn holes in pockets.
Money is not all green where I live... It stresses me out to no end being in the states and having every bill be the same colour. I don't like that when I'm there.