White hat

  • Neutral and objective
  • Objective facts and figures

Red hat

  • The emotional view

Black hat

  • Cautious and careful
  • Looks for weaknesses

Yellow hat

  • Optimistic
  • Positive thinking

Green hat

  • Creativity and new ideas

Blue hat

  • Control
  • Organisation of the thinking process
  • Use of other hats

 

and
and
and

 

Reference

Six thinking hats - Edward de Bono