My normal has that white and light color creeping up her sides too, especially in the area behind her head. I tried for a few good pictures, but cooperating with the paparazzi was not on her agenda for today, so there's no picture of the area behind her head. In the right light, the lighter brown areas almost take on a very light purplish sheen. That may have something to do with the full spectrum bulbs I use in the house. This old camera does not pick up subtleties in color like my other one did. The good one one was taken in a burglary in March. I happened to have this one with me. I bought this bp from Petco. So my best, inexperienced guess is that your ball python is a normal. Here's Callista: