Go to
http://www.accurate-miniatures.com
and e-mail Tom Meyers, the Art Director:
tom@accurate-miniatures.com
I'm pretty sure he does the research, or a lot of it anyway, and probably has the best handle on the color. He is a super nice guy, and posts on this forum sometimes, so he'll know where you are coming from with the question.
I built the solid nose, and loved the kit!
Build a model for the FUN of it!
Gerald