Md. Code, Transportation § 22–209

(a) Front clearance lamps, identification lamps, and those marker lamps and reflectors mounted on the front or on the side near the front of a vehicle shall display or reflect an amber color.

(b) Rear clearance lamps, identification lamps, and those marker lamps and reflectors mounted on the rear or on the sides near the rear of a vehicle shall display or reflect a red color.