Darth Lucas said:
I made sure to keep the skin tones and the Reds of the x wings mostly untouched though.

(Whoops. That was supposed to be an edit of the post, but I hit quote by mistake.)

Yeah, the main shots that you would be adjusting then would be the shots that are purely model based, in or above the trench. And one concern there would be taking green away from the lasers.

Anyway, whatever the ‘right’ vs. ‘wrong’ color debate may suggest, I understand where you’re coming from appreciating the greyer values, having grown up with the grey Death Star on VHS and in plenty of video games.