Spray paint! So many color and finish options!
Take it down & tape off electrical, scuff with fine steel wool, clean with denatured alcohol, spray prime & paint - Rustoleum is my preferred brand.
hometalk has some ideas:
Here's a great post for you.
Hello. I use spray paints. I find the new spray paint formulations with paint and primer combined to be very effective on metal. I particularly like the rustoleum universal line.