As has been stated above, the lights aren't correct. You want a light like this:
https://reptilighting.com/collectio...-uvb-kit-includes-hood?variant=32852715044923
I don't want to upset you but I think it's time to be blunt: Your chameleon is dying because he doesn't have what he needs. He *NEEDS* this light. Need. Not want, not "it would be nice to have" - it's an absolute NEED.
If you and your parents can't/won't give your cham the very basics for survival, please, PLEASE for the sake of the poor animal, surrender him to someone who can give him the proper care. No matter how many times you turn the lights you have on, he won't get better. He won't feel better even if he looks like he does for a few minutes. He's going to die unless you make the changes that have been suggested over and over. Please help him, for his sake.
Where do you live? If you're near Ohio maybe I can help.