What are each of the safety colors? What is the meaning of

The national safety colors are red, blue, yellow and green, each of which has the following meanings:

Red - indicates that it is forbidden to stop, and is used for prohibited signs, stop signals, and parts of the body that people are forbidden to touch;

Blue - indicates instructions and regulations that must be followed.

Yellow - indicates warning, attention, various warnings such as "pay attention to safety, beware of electric shock," etc. are expressed in yellow;

Green - indicates that the tips, safety status, access, such as safe passage inside the workshop, fire equipment, etc. are expressed in green.

Expanded Information:

According to GB 2893-2008 "Safety Color", the safety color applies to industrial and mining enterprises, transportation, construction, and warehouses, hospitals, theaters, and other public **** places. In order to make people pay attention to the environment and equipment around the existence of unsafe factors, it is necessary to apply eye-catching safety colors to raise people's alertness to unsafe factors. Uniform use of safety color, can make people in emergency situations, with the help of the familiar meaning of the safety color, identify the dangerous parts, as soon as possible to take measures to improve self-control, and help to prevent accidents.

The national standard GB2893-82 "safety color" on the meaning and use of the safety color, lighting requirements, color range, as well as the inspection and maintenance of specific provisions.

National standard GB6527.2-86 "safety color code of practice" for further explanation, and gives specific examples of use.

According to the Safety Colors (GB2893-2001), the state provides for four safety colors to convey safety information: red for prohibition and danger; yellow for warning and attention; blue for instruction and compliance; and green for access and safety.

According to the Safety Colors (GB2893-2008), red: conveys the information of prohibition, stop, danger, or hints of fire precautions and facilities; blue: conveys the directive information that must be complied with; yellow: conveys the information of attention and warning; and green: conveys the suggestive information of safety.

In practice, the safety color often use other colors (i.e., contrasting colors) to do the background color, make it more eye-catching, in order to improve the safety color recognition. Such as red, blue and green using white as a contrasting color, yellow using black as a contrasting color. Alternating yellow and black stripes, visibility is better, generally used to mark the warning danger, red and white intervals are often used to indicate that "no crossing" and so on.

According to the Safety Color (GB 2893-2008), the state provides four safety colors to convey safety information. We must remember: red means prohibition and danger; yellow means warning and attention; blue means instruction and compliance; and green means passage and safety.

Reference:

Baidu Encyclopedia Safety Colors