Proposition 136: Income Tax Rate Cap

Colorado · initiated statute · on the November 3, 2026 ballot. The ballot wording and the arguments for and against from the state’s official voter guide, in the state’s own words, each read the same way for rhetorical techniques. We don’t recommend a vote.

On the ballot

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Shall there be a change to the Colorado Revised Statutes capping the state income tax rate at 4.4% of federal taxable income for individuals and corporations?

From coloradosos.gov. Checked 2026-10-20. Confirm with your official ballot (sample-ballot lookup).

Argument for

By Colorado Legislative Council Staff (State Ballot Information Booklet)

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1) Proposition 136 reinforces voter support for maintaining the current state income tax rate. The current rate, overwhelmingly approved by voters in 2022, is fair and keeps Colorado’s tax rate among the lowest in the country.

From content.leg.colorado.gov, the official voter guide.

Argument against

By Colorado Legislative Council Staff (State Ballot Information Booklet)

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1) This initiative is designed to put Amendment 87 into legal jeopardy, causing confusion and a potentially costly legal battle to resolve. After the 2026 election, Proposition 136 has no effect, since raising tax rates already requires voter approval and any future approval would override this measure.

From content.leg.colorado.gov, the official voter guide.

Who’s behind it

Party positions: Colorado Democratic Party: No · Colorado Republican Party: No position published · Libertarian Party of Colorado: Yes · Colorado Forward Party: No position

Committees registered to support or oppose Proposition 136, and what they reported to Colorado Secretary of State TRACER (tracer.sos.colorado.gov). Checked 2026-10-20.

Before comparing the sides: each committee’s figures come from its own latest report, so they can cover different dates. Some committees work on more than one measure or other campaigns, and their totals include all of it. A side with no registered committee can still have supporters. How much a side raised says nothing about whether the measure is a good idea.

Supporting

KEEP COLORADO AFFORDABLE

Ballot measure committee

Raised $607,500 · spent $20 · as reported through Oct 14, 2026

Largest contributors as filed:

  • GOPAC ELECTION FUND · $605,000
    Political action committee · federal PAC contributions, 2025–26: $0 to Democratic and $71,500 to Republican candidates and party committees (FEC)
  • JCC 2020 TRUST · $2,500
    Other

This committee is registered for more than one measure; these are its whole totals, which its filings don’t divide by measure.

BRIGHTER COLORADO

Ballot measure committee

Raised $3,270,775 · spent $2,760,499 · as reported through Oct 14, 2026

Largest contributors as filed:

  • COMMON SENSE AMERICA · $2,000,000
    Other
  • GOPAC ELECTION FUND · $1,000,000
    Political action committee · federal PAC contributions, 2025–26: $0 to Democratic and $71,500 to Republican candidates and party committees (FEC)
  • COLORADO DAWN · $100,000
    501(c)(4) nonprofit
  • RADO CAPITAL · $25,000
    Company
  • STAVA, MATT · $25,000 · individual
    own contributions since Jan 1, 2020, federal (FEC): $0 to Democratic and $13,731 to Republican candidates and party committees; Colorado state (TRACER): $450 to Democratic and $0 to Republican candidates and party committees; $1,000 to candidates for nonpartisan offices

This committee is registered for more than one measure; these are its whole totals, which its filings don’t divide by measure.

Opposing

PROTECT COLORADO’S FUTURE COALITION

Ballot measure committee

Raised $2,096,175 · spent $1,895,837 · as reported through Oct 14, 2026

Largest contributors as filed:

  • CHAMBERS, MERLE · $500,000 · individual
    own contributions since Jan 1, 2020, federal (FEC): $4,614,737 to Democratic and $0 to Republican candidates and party committees, $24,106 to others; Colorado state (TRACER): $101,150 to Democratic and $0 to Republican candidates and party committees; $1,900 to candidates for nonpartisan offices
  • NEW ERA COLORADO ACTION FUND · $276,241
    501(c)(4) nonprofit
  • COLORADO WINS · $262,890
    Labor union
  • STAND FOR CHILDREN, INC. · $250,000
    501(c)(4) nonprofit · Colorado state contributions since Jan 1, 2025: $450 to Democratic and $0 to Republican candidates and party committees (TRACER)
  • SAVE THE CHILDREN ACTION NETWORK · $162,869
    501(c)(4) nonprofit

This committee is registered for more than one measure; these are its whole totals, which its filings don’t divide by measure.

VOTE COMMON SENSE

Ballot measure committee

Raised $809,840 · spent $130,112 · as reported through Oct 14, 2026

Largest contributors as filed:

  • GREEN ADVOCACY PROJECT · $200,000
    501(c)(4) nonprofit
  • COLORADO FUND FOR CHILDREN & PUBLIC EDUCATION · $115,000
    Other · Colorado state contributions since Jan 1, 2025: $4,500 to Democratic and $0 to Republican candidates and party committees; $16,059 to candidates for nonpartisan offices (TRACER)
  • CHAMBERS, MERLE · $100,000 · individual
    own contributions since Jan 1, 2020, federal (FEC): $4,614,737 to Democratic and $0 to Republican candidates and party committees, $24,106 to others; Colorado state (TRACER): $101,150 to Democratic and $0 to Republican candidates and party committees; $1,900 to candidates for nonpartisan offices
  • CONSERVATION COLORADO · $65,000
    501(c)(4) nonprofit · Colorado state contributions since Jan 1, 2025: $750 to Democratic and $0 to Republican candidates and party committees (TRACER)
  • COBALT ADVOCATES · $65,000
    501(c)(4) nonprofit · federal PAC contributions, 2025–26: $2,000 to Democratic and $0 to Republican candidates and party committees (FEC)

This committee is registered for more than one measure; these are its whole totals, which its filings don’t divide by measure.

PEOPLE FOR A FAIR COLORADO

Ballot measure committee

Registered; no financial report filed yet.

MAKE GOOD CHANGE

Ballot measure committee

“The People's Ballot is an unofficial voter guide to the 14 statewide ballot measures on Colorado's Nov. 3, 2026 general election ballot.” — its website

Registered; no financial report filed yet.

A rhetorical technique is about wording, not about whether a measure is a good idea or an argument is true. Ballot wording is written under each state’s own rules, and official arguments by the people the state names. All Colorado measures →

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