The roulette wheels used in Parisian casinos had red for the single zero and black for the double zero, even though the zeroes were not included in the wagers above.
Players can wager on various outcomes, like Odd or Even, Low or High and Red or Black. The zero in roulette is green, but why? As you may know, the entire roulette wheel is divided into sections of alternating colours - red and black. WHAT COLOUR IS ZERO ON THE ROULETTE WHEEL?