Sec. 547.303.  COLOR REQUIREMENTS.  (a)  Unless expressly provided otherwise, a lighting device or reflector mounted on the rear of a vehicle must be or reflect red.
(b)  A signaling device mounted on the rear of a vehicle may be red, amber, or yellow.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.