Colo. Rev. Stat. § 5-12-101
If there is no agreement or provision of law for a different rate, the interest on money shall be at the rate of eight percent per annum, compounded annually.
Source: L. 71: R&RE, p. 852, § 1. C.R.S. 1963: § 73-12-101. L. 75: Entire section amended, p. 257, § 1, effective July 1. L. 79: Entire section amended, p. 315, § 1, effective June 20.
Cross references: For interest on damages for personal injuries, see § 13-21-101.