Color sequence of safety warning signs

The color sequence of safety warning signs is yellow, red, blue and green. Article 9.5 of Safety Signs and Their Use Guide (GB2894-2008) stipulates that when multiple signs are set together, they should be arranged from left to right and from top to bottom in the order of warning, prohibition, indication and prompt types.

There are four national security colors: red, blue, yellow and green, which means: red means prohibition, stop (also means fire prevention); Blue indicates instructions or regulations that must be observed; Yellow indicates warning and attention; Green indicates tips, safety status and traffic.

According to the purpose of use, safety signs can be divided into 9 types:

Fire signs (fire dangerous places, inflammable and explosive articles and their locations, fire prevention and extinguishing equipment locations);

Prohibited signs (prohibited dangerous actions);

Danger signs (objects and places with immediate danger and warning of dangerous state);

Pay attention to signs (places that are dangerous due to unsafe behavior or carelessness);

Ambulance sign;

Pay attention to signs;

Radioactive signs;

Direction sign;

Guide sign.