Major vote for Graphite, Minor vote for White/Brown
White and graphite honestly look pretty dull. Brown and metallic blue, however, are very interesting. The former gives it a bit of a rugged look (suitable for an exploration vessel) and the latter gives it a very hightech aesthetic (fits a modern top-of-the-line research vessel).
I like white one. Also, as corvo originally zoner-made vessel, it can use their color theme(rely on results of zoner poll).
damn Groshyr, we all know that you are a really very sad person, but I didn't know you were so envious!! maybe you should seek professional help!!!
any way ... back to the topic, i like more the graphite,and i think the brown is more CTE line.
I like the white one most, but blue isn't bad too.