Do you have a picture Judi! Electric fireplaces differ so it would be helpful to see what you are dealing with and get better suggestions for you!
Judi: maybe this will help
Hi Judi, there are lots of ideas here:
Paint it clue on stick tiles
Do you have a photo? I've recently done two different gas fireplace makeovers. If you have ugly tile, you can paint (and stencil it). I also recently refinished the metal grate on a gas fireplace. It was surprisingly simple- just took some very careful frog tape work, and black high-heat spray paint.
Here's my fireplace makeover: https://jessicawellinginteriors.com/faux-cement-tile-fireplace/