What the colors on safety signs mean Safety signs are designed to warn you of hazards in the workplace and provide directions and instructions for safe conduct. It warns you against an immediate threat to your safety that could cause death or serious injury. Red is also the color of signs that tell you where emergency exits and fire equipment are located.
Orange stands for warning.
These tell you that you must take precautions before you proceed or risk serious injury or death. Yellow indicates caution, be careful. It warns you against less serious hazards those that could cause minor or moderate injuries but which nevertheless threaten your safety. Green signals the location of safety equipment for example, first-aid kits, eyewash stations, and emergency showers. Blue is the color for general safety information.