Orange. It's discusting. It is the ONLY COLOR other than red that has not been my 最喜爱的 color at one time. Anyone who likes 橙子, 橙色 is colorblind, I think.
Gray. (And yet, 8theGreat's 最喜爱的 color... ._.) It just looks pretty ugly to me. White looks alright and black looks alright but gray, for some reason, just seems... eh.