Hello folks,
For all Luftwaffe aircrafts later than 1941 the cockpit colour was RLM 66.
Evidences are : German Aircraft Interior ,K.Merrick, P. 120 & 121 and Ullman, Luftwaffe Colors 1935 - 1945, Hikoki, P.179 where you can see Amin Fabers Fw 190 A-3 cockpit painted in RLM 66.
So i could help.
greeets Thomas
ps.: Im on the road, so i can scan the images; but they will come later