What color are mandatory instruction signs typically?

Mandatory instruction signs are generally red and white. This color combination is widely recognized as a standard for indicating prohibitions or commands that must be followed. The red color is prominent and serves to grab attention, signaling to individuals that adherence to the displayed instructions is crucial for safety and regulation.

The white background often serves as a contrast to enhance visibility and readability, thereby ensuring that the message is clear. This red and white combination is utilized globally in various contexts, including traffic signs and safety signage, reinforcing the standardized use of colors for specific types of directives. Hence, when identifying mandatory instruction signs, the red and white combination is consistent with established guidelines and best practices in signage.