Board Thread:Off Topic/@comment-27966940-20160805183529/@comment-26397825-20160913045819

Those traits may stand out in our world, but they're pretty standard in the RWBY universe. Emerald has mint green hair and no one even bats an eye.

Physical Traits is for things like tattoos and piercings, which do not have a place to detail them in the Appearance section unlike the hair and eye colour.