User blog comment:Admiral Leviathan/Yellow Comet (WttF 17)/@comment-1194826-20120718231804/@comment-11644326-20120719000912

@Tails Well, if they don't shoot at you, and they seem friendly they're usually considered good guys.

@Sacor That makes more sense than I realized at first. Yellow is closer to Red on the Colour wheel, and vise-versa for Green and Blue.