Colo. Rev. Stat. § 28-3-505
It is unlawful for any common carrier, innkeeper, proprietor, or lessee of any place of public amusement or entertainment or any agent, servant, or representative of any such common carrier, innkeeper, proprietor, or lessee as aforesaid to bar from the full and equal enjoyment of the accommodations, advantages, facilities, or privileges of any public conveyance or any inn or of any place of public amusement or entertainment any person in the service of the armed forces of the United States or of the National Guard, wearing the uniform prescribed for him or her at that time or place by law, regulation of the service, or custom, on account of his or her wearing such uniform or of his or her being in such service. Any person who is barred from such enjoyment contrary to the provisions contained in this section is entitled to recover in an action against any corporation, association, or person who commits such violation his or her actual damages and three hundred dollars in addition thereto and reasonable attorney fees and costs. Evidence that such person barred was at the time sober, orderly, and willing to pay for such enjoyment in accordance with rates affixed therefor for civilians shall be prima facie evidence that he or she was barred on account of his or her wearing such uniform or of his or her being in such service.
C.R.S. § 28-3-505