Each hat represents a distinct direction of challenging the problem.
Red Hat – Emotions – everyone shares their gut feelings without any justification for them.
Black Hat – Discernment – cautious thinking, what could go wrong.
Yellow Hat – Optimism – discuss the benefits.
Green Hat – Creativity – time to present the oddball ideas, with little criticism.
Blue Hat – Direction – The chairperson wears the blue hat and can direct the discussion into a different mode.