Ironically, the "chart increasing with yen" this was based off of (which was later accepted into Unicode itself) is green in my device's emoji set, as well as t

Ironically, the "chart increasing with yen" this was based off of (which was later accepted into Unicode itself) is green in my device's emoji set, as well as the vast majority of other implementations. You would think that one would be the one where the Japenese meaning of the colors was used for sure.