Health & Safety Sign Association



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Health and Safety signage for a secure and safer environment.

Prohibition Safety Signs


- You must not
- Do not do
- Stop



- Background colour is white.
- Circular band and crossbar is red.
- The symbol is black and is placed centrally on the background and should not obliterate the crossbar.
- The safety colour red shall cover at least 35% of the area of the safety sign.
- Border is white.


Supplementary Text Box:

- Background colour is red.
- Text colour is white.


Symbol Shape and Colour:



Examples of Prohibition Safety Signs:

Symbols only:


Symbols with Supplementary Text Box:
Supplementary safety information, as text and/or in the form of a graphical symbol may be used to describe, supplement or clarify the meaning of a safety sign. The supplementary safety information shall be placed in a separate supplementary sign or included as part of a combination sign or a multiple sign.