Colo. Rev. Stat. § 15-11-710
The doctrine of worthier-title is abolished as a rule of law and as a rule of construction. Language in a governing instrument describing the beneficiaries of a disposition as the transferor's heirs, heirs at law, next of kin, distributees, relatives, or family, or language of similar import, does not create or presumptively create a reversionary interest in the transferor.
Source: L. 94: Entire part R&RE, p. 1022, § 3, effective July 1, 1995.