Dark is 70% Window


Visible Light Transmission percentage is one of the terms that are often used when discussing window tinting. This measurement is used to determine how much light can pass through a window tint. Higher percentages allow more light in. In many places including California, a 70% window tint is often required by law. It strikes a balance of visibility and tinting benefits. How dark is a 70% window tint? Explore its features and practical implications.

Understanding 70% VLT

A VLT of 70% means that 70% visible light is allowed to pass through the glass, and 30% is blocked. This translates into a very thin tint that is barely visible to the casual observer. Imagine wearing lightly tinted shades that provide UV protection and some reduction of glare, but don’t significantly darken the view. It’s similar to the way a 70% window tint on a car’s glass works.

Visual Appearance

A window with a tint of 70% will appear slightly darker than a window without tint. The difference is slight. The tint may not be noticed by most people unless compared to a window that is completely clear. This level of tint has been designed to reduce UV exposure and glare while maintaining a high degree of visibility.

Benefits from 70% Tint

  • UV protection: Even a very light tint, such as 70%, can help protect the interior of your vehicle and its occupants against sun damage. This is especially beneficial to protect the upholstery of the car and reduce the risk of skin damage during long drives.
  • Glare reduction: Although not as effective at reducing glare as darker tints do, a 70% tint can still help to reduce the glare of the sun or headlights from oncoming traffic. This makes driving more comfortable and safe.
  • Heat reduction: Even though the tint is minimal, it can help to cool down your car’s interior by reflecting heat from the sun. This will improve comfort and visibility without compromising on safety.

Legal Considerations

California is one of many jurisdictions that have strict rules on the darkness of window tint, particularly for front windows. For front-side windows, a VLT of 70% is usually the limit to maintain clear visibility. This regulation strikes a balance between safety and comfort by allowing tinting to have some benefits without reducing visibility.

Examples of Practical Use

Imagine driving in the sun with 70% tinted windows. It is easier to see clearly without having to squint when the windows are tinted. The view is bright and clear, so you can see cyclists, pedestrians, and other vehicles.


It is an excellent choice for drivers who want to improve their driving experience by adding some UV protection and glare reduction without darkening the windows. This tint maintains high visibility which is important for safety and adheres to many legal standards. A 70% tint is a great solution for those who want a cooler interior, more UV protection or a more comfortable drive.

This post was written by a professional at M Tint. https://m-tint.com/ is your ultimate destination for professional window tinting services in N. Hollywood, CA. With over 20 years of unparalleled expertise in the industry, we have established ourselves as the go-to specialists for all your window tinting needs. At the heart of our company is Marcos, our esteemed owner, who has dedicated his career to mastering the art and science of window tinting. Under his leadership, M Tint has grown into a reputable and trusted name, synonymous with quality, precision, and customer satisfaction.

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