Well, if you are referring to the black hull color, it's not paint, it's gelcoat and doesn't come in a spray can. You can get a repair kit from gelcote intl for repairing small nicks and gouges for $35.
It will peel off.To get a great finish,you have to sand it and 2pak it.Gelcoat has a wax in it from the manufacturing process.
FGI or other fibreglass distributers will have gelcoat repair kits