LED Headlight Laws: The State-by-State Guide by BayOptiks

LED Headlight Laws: The State-by-State Guide Every Enthusiast Needs

by Geralda Simatupang on Sep 18, 2025 Categories: BLOG

If you’ve ever swapped out your factory halogens for a crisp set of LEDs, you know the instant glow-up it gives your ride. Brighter beams, cleaner aesthetics, and a touch of that “new car” feel – all without needing to remortgage your house for OEM replacements.

But here’s the thing: not every state looks at aftermarket headlights the same way. What’s “just a cool weekend mod” in California could land you a ticket in Pennsylvania. And since LED headlight laws aren’t uniform across the U.S., it’s easy to get caught off guard.

This guide breaks down everything you need to know about LED headlight legality, state by state. Think of it as the flashlight in your glovebox when you’re navigating the legal gray areas of automotive lighting.

Why LED Headlight Laws Matter

Swapping to LEDs isn’t just a flex – it’s a safety upgrade. LEDs throw down sharper beams, use less power, and last longer than old-school halogens. But here’s the rub:

Brightness – Most states require headlights to fall within a certain lumen range. Too bright, and you’re basically carrying a portable sun on your bumper (which blinds oncoming traffic).
Color – White or yellow is the gold standard. Blue, purple, or green? Cool for an EDM festival, not your headlights.
Retrofits – Dropping LED bulbs into halogen housings is where many laws draw the line. Factory LED assemblies are fine, but DIY retrofits can put you in the legal crosshairs.
Covers and Tint – Smoked or colored lenses might look aggressive, but in a lot of states, they’re straight-up illegal.

Knowing the rules saves you from tickets, failed inspections, or worse – being at fault in a crash because your lights didn’t meet code.

💡 Looking to upgrade? Check out our BMW LED Headlights collection for OEM+ and custom options.

General Rules for LED Headlights Across the U.S.

Before we dive into all 50 states, here’s what most of the U.S. agrees on:

Color restrictions: White or amber only. Blue, green, or red = banned.
Brightness caps: Usually around 3,000–4,000 lumens per bulb. If it blinds oncoming drivers, it’s not legal.
Retrofits: LED bulbs in halogen housings are a legal gray area (and often a no-go). Full LED assemblies are safer.
Covers/tint: Smoked or blackout headlight covers are almost always illegal if they cut down light output.

💡 If your stock housings are foggy or cracked, you might also consider our headlight lens replacement service instead of risking a ticket.

State-by-State LED Headlight Laws

Here’s the reference table you’ll want to bookmark. Laws vary, but this cheat sheet keeps you out of trouble.

State	Aftermarket LED Headlights	Allowed Colors	Retrofit Rules	Tint/Covers	Notes & Quirks
Alabama	Legal if DOT-approved	White/Yellow	Retrofits frowned upon	Covers illegal if reduce output	Must have equal intensity both sides
Alaska	Allowed	White/Yellow	No non-DOT retrofits	No tinted covers	Brightness checked at inspection
Arizona	Legal	White/Yellow	Retrofits restricted	Light tint okay	DRL mods allowed if amber/white
California	Strict	White only	LED retrofits in halogen housings = illegal	No covers/tint	Vehicle Code §25950 is specific
Colorado	Allowed	White/Yellow	Retrofits allowed if DOT	No smoked covers	Off-road LEDs must be covered on road
Connecticut	Legal if OEM	White/Yellow	Retrofits usually illegal	Covers banned	Inspections enforce
Delaware	Legal if DOT	White/Yellow	Retrofits banned	Covers not allowed	Police enforce heavily
Florida	Allowed	White/Amber	Retrofits gray area	No colored covers	Blue strictly banned
Georgia	Legal if DOT	White/Amber	Retrofit restricted	No tinted covers	Must not exceed 300 candlepower
Hawaii	Allowed	White/Yellow	Retrofit rules strict	Covers banned	Enforcement varies
Idaho	Allowed	White/Yellow	Retrofits regulated	Covers banned	DRLs must be white/amber
Illinois	Legal if DOT	White/Amber	Retrofits limited	Covers not legal	Red/blue = emergency use only
Indiana	Allowed	White/Amber	Retrofits discouraged	Covers illegal	Brightness enforced at inspections
Iowa	Allowed	White/Amber	Retrofit restrictions	Covers/tint illegal	Special permits required for non-standard
Kansas	Allowed	White/Amber	Retrofit restricted	No tinted covers	No colored LEDs
Kentucky	Allowed	White/Amber	Retrofit rules strict	Covers banned	Aftermarket LEDs okay if OEM spec
Louisiana	Legal if DOT	White/Yellow	Retrofits regulated	Covers illegal	Heavily enforced
Maine	Allowed	White/Amber	Retrofit restricted	Covers illegal	Aftermarket LEDs must be DOT
Maryland	Strict	White only	Retrofits mostly illegal	Covers not allowed	Fails inspection otherwise
Massachusetts	Strict	White/Amber	Retrofits illegal	Covers banned	State inspection strict
Michigan	Allowed	White/Amber	Retrofit gray area	Covers illegal	Blue LEDs strictly banned
Minnesota	Legal if DOT	White/Yellow	Retrofit restricted	Covers illegal	Police strict on mods
Mississippi	Allowed	White/Amber	Retrofits restricted	Covers banned	Enforcement varies
Missouri	Allowed	White/Amber	Retrofit rules strict	Covers banned	Blue/purple banned
Montana	Allowed	White/Amber	Retrofit gray area	Covers illegal	DOT compliance required
Nebraska	Legal if DOT	White/Amber	Retrofit restricted	Covers illegal	Must not glare
Nevada	Allowed	White/Amber	Retrofit rules strict	Covers illegal	Blue/red banned statewide
New Hampshire	Allowed	White/Amber	Retrofits not legal	Covers banned	State inspections strict
New Jersey	Strict	White only	Retrofits illegal	Covers banned	Police enforce strictly
New Mexico	Allowed	White/Amber	Retrofits restricted	Covers banned	DRLs must be OEM
New York	Strict	White only	Retrofits mostly illegal	Covers not allowed	Section 375 tightens rules
North Carolina	Allowed	White/Amber	Retrofit restricted