Red is often used as a warning color to indicate danger, prohibition or stop. Yellow is often used as a caution color to indicate attention or warning. Blue is usually used as a directional sign, indicating instructions or information. Green is usually used to indicate a safe, permitted or normal condition.
I. Red is commonly used as a warning color.
Red has high brightness, strong contrast and visual impact, so it can quickly attract people's attention. In road traffic, red traffic signals indicate stop, reminding pedestrians and vehicles to pay attention to safety. In factory or laboratory environments, red signs are often used to prohibit entry or warn of potentially hazardous areas, playing a role in preventing accidents.
Two, yellow is often used as a warning color.
Yellow has a bright, eye-catching features, can quickly attract people's attention. In road traffic, yellow traffic signals indicate alert, requiring pedestrians and vehicles to remain alert. In construction sites or around high-voltage equipment, yellow signs are used to remind people to be careful or pay attention to potential dangers to prevent accidents.
The color system is also used in construction, healthcare, firefighting, and aviation.
1. In the field of construction
Safety colors are used to mark exits, emergency exits, fire extinguisher locations and other information. Among them, blue color is often used to indicate exits and guide people to leave the building quickly in case of emergency. Fire extinguishers are usually marked in red with yellow or green text or icons so that people can quickly locate the extinguisher and take appropriate measures in the event of a fire.
2. In the medical field
Safety colors are used to distinguish between different types of equipment and medicines. For example, red markings on drug packages indicate high-risk drugs or prohibited use, yellow markings indicate generic drugs, blue markings indicate low-risk drugs, and green markings indicate over-the-counter drugs. This color-coding system helps healthcare professionals quickly identify and correctly administer medications, reducing risks to patients.
3. In fire and safety training
Safety colors are used to identify emergency exits, escape routes and safety equipment. Red indicates fire alarms, fire extinguishers and emergency stop buttons; yellow is used to mark escape routes and safety exits; and green is used to indicate safe areas or safety equipment. This color marking system enables people to quickly find escape routes and necessary safety equipment in an emergency to ensure their safety.