Multiple choice general knowledge

Which of the following colours is not a part of six thinking hats

  1. Red

  2. Green

  3. Yellow

  4. Orange

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Edward de Bono's Six Thinking Hats method uses six specific colored hats representing different thinking modes: White (facts), Red (emotions), Black (caution), Yellow (optimism), Green (creativity), and Blue (process control). Orange is NOT part of this framework. The claimed answer D (Orange) is correct because it's the only color not among de Bono's six thinking hats. This is a straightforward recall question about a well-known thinking tool.