Shearing Sheep yeilds wrong colored wool

Put the summary of the bug you're having here

What I expected to happen was...:
that when i sheared a white sheep I would get a white wool, and when I sheared a pink sheep i would get pink wool.

What actually happened was...:
I got a black wool from shearing a white sheep, and cyan wool from a pink sheep.

Steps to Reproduce:
1. Find a sheep.
2. Shear it.
3. Pick up the wool