Colorado HB24-1311 (at https://leg.colorado.gov/sites/default/files/2024a_1311_signed.pdf) states that the credit is adjusted for each $5k by which AGI increases - not $5,001. If, for example, you have a single filer w/a 5-year-old, MFB shows that HH getting the same credit at $15k & $20k. This should be adjusted so that the credit reduces for each additional $5k of income.
Adjust calculations for the Family Affordability Tax Credit based on the following: