What color is a solid, single Aircraft Taxi Line?

A solid, single Aircraft Taxi Line is painted yellow. This color is used to clearly delineate the aircraft taxi paths on the airfield, ensuring that pilots and ground vehicle operators can easily identify the prescribed routes for aircraft movement. The yellow color is standardized in aviation to indicate taxiways, making it an essential part of airside operational safety. This visual cue helps to minimize confusion and maintain an organized traffic flow on the tarmac, crucial for preventing accidents and ensuring that all aircraft can taxi efficiently and safely. The use of yellow is universally recognized in various international airport environments, aligning with global aviation markings and regulations.