Final answer:
The four major color codes for safety are red, yellow, orange, and blue.
Step-by-step explanation:
The four major color codes for safety are red, yellow, orange, and blue.
Red is commonly used to indicate danger or stop, such as on stop signs. Yellow is used to indicate caution or warning, such as on warning signs. Orange is often used for visibility in high-risk situations, such as on traffic cones. Blue is used to indicate information or guidance, such as on informational signs.