They usually come in more goldish colors.. and depending on how your tank is setup(background, gravel, etc.), the fish may develop colors from trying to blend in.. but Jars are usually sold around 4 - 5".. but a lot of orange, I've never seem many Jars with a lot of orange.. but they usually develop most of their color over time.
Good luck on your search, though...
Good luck on your search, though...