How do you get the white part of a black and white top white again?

a penguin rolling down the hill AndA penguin in a tuxedo

It's a penguin rolling down the hill.

A zebra in an evelvator with a cold

Black ...!

Think of cow-hide color as a "commutative" property. For instance, 1 + 2 is the same as 2 + 1. Therefore, they can be either or. The Speckle Park breed, for instance, are white with black spots or...