Oregon Revised Statutes Oregon Vehicle Code § 816.230

(1) Fog lights shall be mounted, aimed and adjusted in accordance with standards adopted by the Department of Transportation.

(2) Fog lights and any part of such fog lights that tends to change the original design or performance must be of a type that complies with standards adopted by the department under ORS 816.010.

(3) Forward mounted fog lights shall show a white, amber or yellow light.

(4) Rear mounted fog lights shall show a red light.