To avoid confusion, the colour green was chosen for the zeros in roulette wheels beginning within the 1800s. Roulette is such a fun sport to play because there are so much of bets that you can make. You can make single bets and combination bets, as you’ve many choices. The zero is located at the high of the betting desk over the 1,2,3 and it is green, whereas every other quantity, with the exception of the double zero which can be green, is either purple or black. Single Zero Roulette is also called European Roulette and is often present in High Limit gaming areas.