Explain in more detail please the steps you take, I don’t want to insult you by asking if you are sure you buy it and don’t cancel when you leave the shop. When does the color change exactly?
Take screenshots perhaps, the problem with helping is when people don’t give enough details to find a solution, you could mean anything by colour change, it could even be from the different ambient light from day to dusk to night.
Seriously?! adkz1 you waste all my time after you were asked if your game was legal or not? Man I tried to help you, but shame on you for not having bought the game.