Two colors divide the airport’s pavement
From the cockpit, a broad stretch of pavement can look deceptively uniform. The paint supplies a quick visual distinction: white markings identify the runway, while yellow markings guide aircraft along taxiways, the routes connecting runways with gates and other airport areas.
That difference matters most when an aircraft has landed. The crew must leave the runway and follow a taxi route without mistaking one surface for the other. A runway is where aircraft take off and land; a taxiway is for moving around on the ground. Clear, contrasting markings help pilots read that layout while steering a large aircraft from a low viewpoint.
Yellow also marks where to stop
Taxiway markings do more than point the way. At a runway entrance, yellow hold-position markings tell pilots where to stop and wait for permission to cross or enter. The color distinction therefore helps make a boundary visible before an aircraft reaches it—not merely after it has turned onto a taxiway.
Paint is only one part of the system: pilots also use signs, lights, and air-traffic-control instructions. But it gives them a continuous guide on the pavement itself. In a place where the same concrete can serve very different purposes, a few consistent colors help turn an expanse of pavement into a readable route—and make the crucial point where taxiing meets a runway easier to recognize.
