how can I easily match light switches that are on marbelized clay tile
Here you go https://www.doodlecraftblog.com/2019/07/marbled-light-switch-covers-with-easy.html
Here you go, just choose your colors:
Hello. Have you checked on Amazon?
Here’s a link.
Could you find some marbled contact paper to match and layer it under a clear light switch plate?
Here's a tutorial that shows the technique for creating a marble look with paint. All you'd need to do is find the colors to match your clay tile and pick up some plain covers that fit your project. To help with cleaning, I'd also finish each one with clear sealer spray. Wishing you the best.
Do the marble light switch covers have a rough surface or shiny smooth surface?
Please post a picture so that we can see what exactly you are starting with.
Here's a post that might help you - https://www.doodlecraftblog.com/2019/07/marbled-light-switch-covers-with-easy.html#:~:text=Press%20your%20fingers%20on%20the,where%20it%20can%20dry%20completely.