C.R.S. § 18-7-301

(1) Any person who performs any of the following in a public place or where the conduct may reasonably be expected to be viewed by members of the public commits public indecency: (a) An act of sexual intercourse; or (b)(Deleted by amendment, L. 2010, (HB 10-1334), ch. 359, p. 1707, § 1, effective August 11, 2010.)(c) A lewd exposure of an intimate part as defined by section 18-3-401 (2) of the body, not including the genitals, done with intent to arouse or to satisfy the sexual desire of any person; or (d) A lewd fondling or caress of the body of another person; or (e) A knowing exposure of the person’s genitals to the view of a person under circumstances in which such conduct is likely to cause affront or alarm to the other person. (2) Public indecency is a petty offense. (3)(Deleted by amendment, L. 2010, (HB 10-1334), ch. 359, p. 1707, § 1, effective August 11, 2010.)