He's been known to use some 'colorful language' when he starts talking about politics.
She has a 'colorful' [='bright, cheerful'] personality.
He was a 'colorful character'. [=a very unusual person]
(..) Like I do. Of course, you probably think I'm crazy, but I'm not. Bingo. I'm colorful. That's what happens when you live years alone in Bolivia. You get colorful. Where are they? (..)1969 Butch Cassidy and the Sundance Kid