What color are taxiway markings and aircraft stand markings?

• A. Red
• B. White
• C. Yellow
• D. Blue

Answer: (C)

Yellow is the standard color for taxiway and aircraft stand (apron) markings. On most international airports, the movement-area markings you see on taxiways—centerlines, edge lines, hold-short lines—are painted in yellow, and the same yellow is used for the lines that define stand boundaries and docking guidance on the apron. This consistency helps pilots quickly recognize where aircraft should move and park, and it contrasts with runway markings, which are white. Blue, by contrast, is typically used for taxiway edge lighting and some sign systems rather than ground markings, and red is used for prohibitive or safety-related indicators rather than general markings.