Try this...
I made this up in visio. It's not exactly to scale but should work to mark up. Can post the .vsd if you desire as well.
This is what I came up with...
I went with three rows of checkers... the larger the better to view from below. Once it gets up high those checkers if too small will appear to shade the bottom of the wing that color. Also didn't do the cheeks or the bottom of the stabilizer or the accents on the top of the wing. Might revisit doing the bottom of the stabilizer though.
Check out my build thread if you want some ideas on the covering process FWIW.
Good luck!
somegeek