Useful for sorting discourse, yes?
WhiteHat : JustTheFacts, unemotional data and questions about getting more data.
BlackHat : TheDownSide, negative consequences, the worst things that could happen.
YellowHat: TheUpSide, positive consequences, the best things that could happen.
GreenHat : InnovativeIdeas, off-the-wall creativity.
RedHat : GutFeelings, emotions, what you really think in your heart and belly.
BlueHat : MetaThinking, process and procedure
from C2 Wiki’s “Six Thinking Hats”