What color contrast is required for the company name and numbers on service vehicles?

What color contrast is required for the company name and numbers on service vehicles?

• A. They must be in a color contrasting with the background color of the vehicle
• B. They must match the background color
• C. They must be white on black
• D. They must be the same color as the vehicle

Answer: (A)

Legibility of vehicle markings relies on high color contrast between the letters and the vehicle surface. The company name and unit numbers must be in a color that contrasts with the background color of the vehicle so they can be read quickly from a distance and under different lighting conditions. If the lettering uses the same color as the vehicle, or blends into it, the markings become hard to see, defeating the purpose of immediate identification. Use colors that stand out against the background—light on dark or dark on light—so responders and the public can recognize the company and unit at a glance. The key principle is contrast with the background, not specific color choices.

Legibility of vehicle markings relies on high color contrast between the letters and the vehicle surface. The company name and unit numbers must be in a color that contrasts with the background color of the vehicle so they can be read quickly from a distance and under different lighting conditions. If the lettering uses the same color as the vehicle, or blends into it, the markings become hard to see, defeating the purpose of immediate identification. Use colors that stand out against the background—light on dark or dark on light—so responders and the public can recognize the company and unit at a glance. The key principle is contrast with the background, not specific color choices.