Underglow in Louisiana
Underglow is legal in Louisiana, including while driving, subject to color and flashing limits: No red or green visible from the front, no blue on non-emergency vehicles, and no flashing.
Verified against primary sources · September 2026
What the law says
Louisiana does not ban underglow — it restricts colors and behavior. No red or green visible from the front, no blue on non-emergency vehicles, and no flashing. Louisiana also specifically prohibits neon lighting around the license plate (R.S. 32:333).
Specific Limits
- Restrictions
- No red or green visible from the front, no blue on non-emergency vehicles, and no flashing.
- While driving
- allowed
Exceptions & Exemptions
Underglow may be used while driving. No red or green light may be visible from directly in front, flashing is reserved for emergency and school vehicles and signals, neon or view-obscuring lighting around the license plate is prohibited (R.S. 32:333), lamps must meet FMVSS 108 (R.S. 32:334), and blue emergency-style lights may not be sold for vehicle use (R.S. 32:327(D)).
Frequently Asked Questions
Are underglow legal in Louisiana?
What are the exact underglow limits in Louisiana?
Are there exceptions for underglow in Louisiana?
Street-legal underglow picks
Gear that helps you mod without a ticket in Louisiana.
The glow that's legal in every state — inside the cabin instead of under it.
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