got to the library (or amazone.com) and pick up Luffwaffe colors, the painting regulations ARE in this pook as well as black and white reference photos. I got mine as like new used for $20.
on page 114 is a image of yellow 5 WNr501232 KG(J) 6 red or black band on the tail just forward of the tail fin +5 June 17 1944 in RLM 74/75/76 later aircraft were in 81/82 and mottled on the side and splinter on the very top and wings.