Colo. Rev. Stat. § 38-41-108
Every person in the actual possession of lands or tenements, under claim and color of title, made in good faith, who for seven successive years continues in such possession and also during said time pays all taxes legally assessed on such lands or tenements shall be held and adjudged to be the legal owner of said lands or tenements to the extent and according to the purport of his paper title. All persons holding under such possession by purchase, devise, or descent, before said seven years have expired, who continue such possession and continue to pay the taxes as provided in this section, so as to complete the possession and payment of taxes for the term, provided in this section, shall be entitled to the benefit of this section.
C.R.S. § 38-41-108