CO

Colorado Window Tint Laws (2026)

In Colorado, front side windows must let in at least 27% of light; back side windows 27% VLT or lighter and the rear window 27% VLT or lighter. Windshield: top 4 inches only, not red or amber; the windshield itself must let in 70%.

Reviewed September 14, 2026 against the sources listed below.

Sedans

WindshieldTop 4 inches only, not red or amber; the windshield itself must let in 70%
Front side windows27% vlt or lighter
Back side windows27% vlt or lighter
Rear window27% vlt or lighter

SUVs, trucks and vans

WindshieldTop 4 inches only, not red or amber; the windshield itself must let in 70%
Front side windows27% vlt or lighter
Back side windows27% vlt or lighter
Rear window27% vlt or lighter

Other rules

Reflectivity, front side
Not specified
Reflectivity, back side
Not specified
Banned colors
Red and Amber
Medical exemption
No
Certification sticker
Not required
Side mirrors if the rear is tinted
No extra requirement
Penalty
Class B traffic infraction for driving on illegal tint; installing it is a Class A traffic infraction.
Notes
Windows behind the driver may go darker than 27% only when the front side windows and the windshield let in at least 70%. Metallic or mirrored film is banned. The statute has no medical exemption.

Window tint shops in Colorado

Questions

What is the darkest legal tint in Colorado?

27% on front side windows, 27% on back side windows and 27% on the rear window, for sedans.

Is 20% tint legal in Colorado?

No. Colorado does not allow 20% tint on any window. Front side windows need 27% or lighter.

Is 35% tint legal in Colorado?

Yes, 35% tint is legal on every window in Colorado.

Does Colorado allow a medical exemption for window tint?

No. Colorado has no medical exemption for darker tint.

Sources