We are currently exploring Signs and Symbols in our Graphics class. We are looking at colour and shape used in different signs i.e.

What colours and shapes should be used on safety signboards?

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