(A.1)  As to any person sentenced for a felony committed on or after July 1, 2018, felonies are divided into six classes that are distinguished from one another by the following presumptive ranges of penalties that are authorized upon conviction:Class  |  Minimum Sentence  |  Maximum Sentence  |  Mandatory Period of Parole1   |   Life imprisonment  |  Death  |  None see full law

(A)  If the felony for which the person was convicted is murder in the first degree, as described in section 18-3-102 (1)(b), then the district court, after holding a hearing, may sentence the person to a determinate sentence within the range of thirty to fifty years in prison, less any earned time granted pursuant to section 17-22.5-405, C.R.S., if, after considering the factors described in subparagraph (II) of this paragraph (c), the district court finds extraordinary mitigating circumstances. Alternatively, the court may sentence the person to a term of life imprisonment with the possibility of parole after serving forty years, less any earned time granted pursuant to section 17-22.5-405, C.R.S. see full law