My Nyan Cat!!!

I made a nyan cat! Here's how I got the colors:
Cat body: Hair color
Pastry icing: Favorite color
Pastry sprinkles: Darker shade of favorite color (or lighter, if your favorite color is a really dark color)
Pastry body: The color of the shirt you're wearing
Cheeks: Color of your birthstone
Color Aura: Any color you want it to be
Eye color: Any color you want it to be
Background: Any color you want it to be