I think you should be fine, I'm in New York State, and by law you should be able to go down to 30% tinting which would allow for 70 percent of light to pass.
All I can say is, here in the hood tinting gets so deep you can't even see through the window. However, I would be cautious on Long Island, I've heard of police being less lenient of this than in the inner city.
Hope you find a happy medium. Let's here from some other NYC/New York State folks.