What colours and shapes should be used on safety signboards?

Created by Michal Wochna, Modified on Fri, 2 Jun, 2017 at 2:39 PM by Michal Wochna

  • Red for prohibition
  • Yellow for caution
  • Green for positive action
  • Blue for mandatory actions
  • Discs for prohibitions and instructions
  • Triangles for warnings
  • Squares and rectangles for emergency and information signs


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