Question: Cockpit color, ICM Do17Z-10, WWII German Night Fighter

Any advice would be much apreciated…

This discussion should prove enlightening, not only for interior colors, but cowling and gear well colors as well:

https://www.tapatalk.com/groups/hyperscale/setting-the-cat-amongst-the-pigeons-early-luftwaff-t165426.html

It is a simple case of RLM 66 all over the cockpit.

RLM 66 dark grey