That actually sounds pretty cool! I totally agree with you that you should be able to wear body paint in FIRST. Even if it is like football, isn't that what FIRST is always trying to do; make a connection to other popular sports? Even the game this year is based on a combo of basketball and soccer!!
The only reason I could think of for them telling you that is that walking around in the pits with that much open skin MIGHT be unsafe.
But honestly I don't see the problem!
Maybe you could wear a tank top and dye it the colors of your team then paint the rest of your body to match!
