You are not trying to remove the glaze of the original tiles, so don’t worry about sanding the color away.
You can use a combination of one cup bleach with one gallon of warm water instead of a store-bought cleaning solution. [5] X Research source
A properly mixed two-part epoxy will allow you to match the epoxy to the level of the surface tile and paint over it without an issue.
You can use paint thinner to spread the paint more evenly across the tiles. You will be applying multiple coats of paint, so don’t worry if the color below is still visible after the first coat.
Sealing the paint will protect it from the risk of tarnishing, chipping, and fading that painting ceramic tiles comes with.
You can use floor mats to help protect your painted tile floor from scuff marks.
Allowing water or cleaners to stand on ceramic tile can strip the paint, so you should be sure to clean up spills quickly.
