I just started brainstorming for a new moc, under the working title Project: Chromehound. If any of you are familiar with the game Chromehounds then you'll understand my source of inspiration.

The moc will have both light and metru gray, I'm not sure how much of the moc they'll take up each... What do you guys think would be another good complementary color or two to add to a mecha moc? (besides black )