The ceramic tint is one of the best qualities of tints available on the market for its high-heat rejection properties. Yes, it might be darker than the normal tint but that does not make it illegal. Ceramic tint is absolutely legal but you have to keep in mind the percentage of light that is allowed through. While it uses the same type of sheets as regular window film, the material is coated with ceramic particles. While invisible to the naked eye, this built-in ceramic technology provides a high-performance ultraviolet solar and infrared rejection.