There's multiple adjacent parking lots in my city that are full of street lights that emit blue light. I've been wondering for awhile why in the world they woul

There's multiple adjacent parking lots in my city that are full of street lights that emit blue light. I've been wondering for awhile why in the world they would be blue but I think I got my answer. Probably someone trying to cut costs a bit too aggressively. My city and state are known for skimping on anything and everything when it comes to streets and roads.