What color is used for warning signs specific to pedestrians and bicycles?

The color designated for warning signs related to pedestrians and bicycles is yellow-green. This particular hue is employed to enhance visibility and alert drivers to the presence of these vulnerable road users. The use of yellow-green is meant to draw attention and indicate caution, thereby fostering greater awareness and safety in areas where pedestrians and cyclists are likely to be present.

In contrast, red is typically used for stop or yield signs, blue is often associated with informational signs such as those providing directions or indicating services, and orange is commonly used for construction zones. These color conventions are established to help drivers quickly interpret road signs, ensuring a safer driving environment.