This is the original recoloured Executor concept I came up with a few pages ago. Ripplin made a concept that retained some of the blue; I thought it was still much too bluish for me, so I decided to give it a go again. This Executor is much more different (and better-looking) than my original concept:
This version retains more of the blue while not making the Executor look obnoxiously blue. The windows are more whitish-bluish, but it matches the Executor and the rest of the scene. Not only has most of the annoying blue been removed, the Executor has been brightened; the scene was too dark and didn't stand out very much. What do you think?
I also removed that 'engine clutter' behind the Executor that looked kinda ugly, and added some more glow to the star destroyer's engines. The TIE fighter also ended up getting recoloured; well, it was also quite bluish and it would take too long to separate it from the rest...