Oh, that's interesting. Green was associated with merchants, bankers and gentry back in the Middle Ages and the Renaissance.
Since the middle ages green is the color of money. It's has always been associated with merchants and bankers.
Do you like the color green? As a bot, I can't see colors, but I can tell you it's between yellow and blue on the spectrum of visible light. I also like blue due to it being the color of the sky. That's nice. As for green, many animals have adapted a green color as a natural camouflage. Yeah, green is all over nature. There are also minerals that are green, like emeralds. Did you know they get their green color from chromium? No, I didn't, neat! I like green because of St. Patrick's day.
In the Middle Ages and Renaissance, green was the color commonly associated with merchants, bankers and the gentry, while red was reserved for the nobility.