Hawaii Window Tint Laws

Tropical UV year-round makes fading the enemy in Hawaii — dashboards, leather, and paint all cook without protection. 35% across every window is the rule on all islands.

Reviewed July 2026 · Passenger cars (sedans)

Legal tint limits in Hawaii

GlassRule for passenger cars
WindshieldNo tint allowed except the top 4 inches.
Front side windows35% VLT or lighter
Back side windows35% VLT or lighter
Rear window35% VLT or lighter
ReflectivityNo mirrored film.
Medical exemptionAvailable with qualifying documentation

What VLT means (and how police check it)

VLT — Visible Light Transmission — is the percentage of outside light that makes it through your glass. The number printed in the law is a floor: film may be that bright or brighter. Because factory glass already blocks a little light, an officer's meter reads the combineddarkness of glass plus film. A film sold as "35%" on top of factory glass can meter a few points darker — which is why professional installers measure the final result, not the box label.

Quality matters as much as darkness. Dyed films fade purple and bubble; ceramic films like ULTRASHIELD SHADOW reject heat and up to 99% of UV at any legal darkness, with no signal interference — so you get the comfort without gambling on the number.

Hawaii tint FAQ

What is the darkest legal tint in Hawaii?+
On front side windows, film must let at least 35% of light through (35% VLT). Back side windows may go to 35% VLT.
Can I tint my windshield in Hawaii?+
No tint allowed except the top 4 inches.
Does Hawaii allow medical exemptions for darker tint?+
Yes. Hawaii allows darker-than-standard tint with qualifying medical documentation. Keep the paperwork in the vehicle — officers can ask for it during a stop.
Is ceramic tint legal in Hawaii?+
Yes — the law regulates darkness (VLT) and reflectivity, not film technology. A ceramic film at a legal VLT is fully compliant, and it rejects far more heat than dyed film at the same darkness, which is why installers recommend it.
Are mirrored or reflective films legal in Hawaii?+
Hawaii restricts reflectivity: No mirrored film.

Get it installed right in Hawaii

ULTRASHIELD certified installers measure the finished VLT, use nano-ceramic SHADOW film, and register your warranty with CARFAX.

Own a shop in Hawaii? There's no certified ULTRASHIELD installer here yet — be the first. Apply to join the network →

This page summarizes Hawaii statute as published and was last reviewed July 2026. It is not legal advice. Laws change and local enforcement varies — confirm current rules with the Hawaii DMV before tinting.