It seems that other colors exist.

This is/was an approved poker type game (on a blackjack-like table) created by Mikohn Gaming, under a license agreement from Hasbro. However, Mikohn was bough-out by Progressive Gaming (PGI) (not to be confused with GPI), which has since gone bankrupt and was bought/acquired by IGT.

I do not know if the game is offered anywhere.

Here on TheChipBoard we have seen tell-tale indicators of the game's existence by chips like these:

Jim