A tactic that helps you look at decisions from a number of different perspectives. The white hat focuses on data; the red on emotion; the black on caution; the yellow on optimism; the green on creativity; and the blue on process.
Can enable better decisions by encouraging individuals or teams to abandon old habits and think in new or unfamiliar ways. Can provide insight into the full complexity of a decision, and highlight issues or opportunities which might otherwise go unnoticed.
Lateral thinking pioneer Edward de Bono created the Six Thinking Hats method.
We liked this explanation from Mind Tools.