What is the required color of headlights on all passenger cars and trucks?

The required color of headlights on all passenger cars and trucks is white. This standard is in place because white headlights provide the best visibility for drivers during night-time and low-light conditions, ensuring they can see the road clearly and are also visible to other drivers and pedestrians.

Using white headlights promotes safety on the road by reducing the chances of accidents, as they create a clear contrast against the darkness and provide adequate illumination of road signs, obstacles, and pedestrians.

The other colors mentioned, such as red, amber, and blue, are generally not used for standard vehicle headlights. Red is typically reserved for brake lights, amber is often used for turn signals or hazard lights, and blue lights are usually associated with emergency vehicles like police cars, which means they could confuse or mislead other road users. Therefore, adhering to the requirement for white headlights is crucial for both legal compliance and overall road safety.