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NON-COMPLIANT / ILLEGAL

5% VLT Tint on Front in Colorado

Installing a 5% VLT film on your front side windows is prohibited (only films in the 27% - 100% VLT range are compliant) under Colorado Revised Statutes Section 42-4-227.

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CO Technical VLT Blueprint

Interactive diagnostic spec sheet

Non-reflective tint allowed above AS-1 line or top 5 inches27% VLT27% VLT27% VLT
Penalty Limit$50 to $100 traffic infraction fine
Enforcement TypeCorrectable violation (Fix-it ticket)

VLT Compliance Analysis

Visible Light Transmission (VLT) measures the amount of light passing through the glass. In Colorado, front side window glass must transmit a minimum of 27% light.

Installing a 5% VLT film on front side windows is illegal in Colorado. You risk a citation fine of $50 to $100 traffic infraction fine. To stay legal, use a film rated 27% VLT or lighter.

Modifier Workarounds & Legal Options

Exemption

Medical Waiver

Colorado allows drivers with qualifying medical conditions to obtain an exemption for darker tint.

Read Exemption Rules →
Optics Math

Net VLT Math

Factory glass is pre-tinted (typically 75% VLT). Adding a 5% film results in a net VLT of 4%, pushing you further under the limit.

Use VLT Calculator →
Heat Tech

Ceramic Film

High-quality clear ceramic films at the legal 27% VLT can block up to 99% UV and 80%+ infrared heat without darkening windows.

100% Street Legal

5% Tint Compliance Metrics Check

Passenger Sedans

Windshield:Non-reflective tint allowed above AS-1 line or top 5 inches
Front Side:(Limit: 27%)✗ ILLEGAL
Rear Side:(Limit: 27%)✗ ILLEGAL
Rear Window:(Limit: 27%)✗ ILLEGAL

SUVs, Trucks & Vans

Windshield:Non-reflective tint allowed above AS-1 line or top 5 inches
Front Side:(Limit: 27%)✗ ILLEGAL
Rear Side:(Any)✓ LEGAL
Rear Window:(Any)✓ LEGAL

Penalty Enforcement Schedule

If local enforcement pulls you over and tests your glass using an electronic light transmission meter, results below 27% VLT trigger local penalties.

Infraction ClassFine Schedule
First Offense$50 to $100 traffic infraction fine
Physical Compliance CheckMandatory Verification

Full State Database

Window tint codes regulate windshields, rear sides, and rear windshields under distinct parameters.

See All Colorado Rules