IS MY MOD LEGAL?

Underglow in Colorado

Vehicle type: Sedan

Conditional

Underglow is legal in Colorado while driving — white or amber are the safe colors; red/blue visible from the front, green, and flashing are prohibited.

Verified against primary sources · August 2026

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Frequently Asked Questions

Are underglow legal in Colorado?
Underglow is legal in Colorado while driving — white or amber are the safe colors; red/blue visible from the front, green, and flashing are prohibited.
What are the underglow limits in Colorado?
Underglow is legal in Colorado while driving — white or amber are the safe colors; red/blue visible from the front, green, and flashing are prohibited. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for underglow in Colorado?
Yes, there may be exceptions and exemptions. Get the full details including medical exemptions and edge cases in our compliance report.

Street-legal underglow picks

Gear that helps you mod without a ticket in Colorado.

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