How do I paint light fixtures?

You can use spray paint that is made for use on metal.

See if these help you!

https://www.artsychicksrule.com/how-to-paint-light-fixtures/

https://inmyownstyle.com/how-to-update-a-brass-light-fixture-and-spray-painting-trick.html

https://www.thecountrychiccottage.net/how-to-spray-paint-your-light-fixtures/

Debbie,

First you have to prepare the brushed Nickel to receive paint! This is what I found in my investgating:

"You will want to use a primer system like a galvanizing metal etching product. Typically before the nickel plating will accept paint, it requires some form of a pretreatment/acidic primer, formulated with the ability to etch durable metallic surfaces applied after the initial cleaning."

Then I would think you could use any paint that would adhere to metal. There is a spray bronze paint by Krylon but I don't know if it has the finish you desire.

Shut off your power and remove fixture from the wall. Clean the fixture to remove dust and any built up oils from fingertips (just in case). Assuming the underlying fixture is metal, use a spray primer for metal according to directions (you don't need to sand the fixture before priming/painting); finish with two or three very light coats of a spray paint for metal in your oil rubed bronze finish. Rustoleum is one brand that most people are familiar with. Recommend that you set up a "spray booth" in your garage (with garage door open for good ventilation) or if your climate permits, paint outside under a tarp or pop up tent on a calm day - you don't want dust/debris blowing around and settling on your newly painted surface while it's drying.

You will need to use something that will work with high heat since the light bulbs will put off quite a bit of heat. Check RustOleum products. They have an amazing line.