Wyo. Stat. § 23-3-113: Hunters required to wear colored clothing.

(a) No person other than archers and crossbow hunters hunting during a special archery season shall hunt any big or trophy game animal in Wyoming without wearing in a visible manner one (1) or more exterior garments which shall include a hat, shirt, jacket, coat, vest, or sweater of a fluorescent orange or fluorescent pink color.

(b) Violation of this section constitutes a low misdemeanor punishable as provided in W.S. 23-6-202(a)(v).