Here is some information to help you.
An oil-based paint will hold up better than latex.
It is really hard to paint floor tiles and have it hold up to wear and tear. They really don't look that bad in your photo!
Many people have successfully painted floor tiles. Here's one article to read to continue your research. Wishing you the best.
How other Hometalkers did it
Check this post https://www.pinterest.com/pin/216243219595964582/
I've painted wood floors, and I used floor paint and followed up with several coats of clear sealer that was recommended for floors. Make sure your prep is meticulous and use a good sealer like Kilz before painting. You can get the Kilz tinted so you have matching color to your floor paint.
If you are looking for help on painting your tiles, there are lots of posts here:
Brick and tile paint might be a start. Your DIY store should have a choice, go take a look.........
Here is a informative post https://www.bobvila.com/articles/painting-tile-floors/
Wow! I wasn't aware that you could paint floor tiles! The creative monster is rolling around in my head right now!! LOL Also, I would just like to say that everyone that has replied have been very nice and helpful for you and everyone else for that matter. It's so nice not to see a bored bully on your thread. Best of luck
Hi: you can paint with concrete paint or epoxy paint. However they really will not last very long for the work that you are about to endeavor. If the tiles are in good shape why not just change the grout color with grout refresh. That stuff is amazing.
Hi Mary, here's some info from a pro. I hope it is helpful.
Hi Mary, I did some more searching and found a video you might enjoy seeing. Remember, you can also stencil a design on your tiles which will totally change the look in your home.
Here is an idea from Hometalk https://www.hometalk.com/36896576/how-to-paint-tile-floors-with-a-stencil
Check out Daich Spreadstone website or at your Home Depot for an amazing treatment for floor tile, concrete and wall tile. This stuff is easy to use, beautiful finish and easy clean up !