If the color of the imposter is orange, but they name themselves Red, it will confuse players who are not observing the game like a maniac. As accusations fly, confusion rises, which imposters can use to their benefit.

Having said that, this might not work in the long run, or with pro players. But if the imposter is lucky, they can get away with a lot of risky maneuvers thanks to this tactical move. And even if it doesn't work, it's not a crime to try.