It would be fine, if 'neutral background' is what you're looking for from your backsplash. I know that sounds like a back-handed compliment, but it isn't really. Sometimes 'neutral background' is perfect for a kitchen, leaving the eye to linger on the countertops, light fixtures or island.

If you want something with more design impact and a rustic twist, you could look into slate, quartzite or stone pebbles. For a more 'cottage' style, beadboard (stained for more rustic, painted for more refined) or pressed tin could be great.

Thanks for your ideas sweeby. I am afraid it may seem a little bland with everything so neutral. I chose the quiet granite because I really want the eye to be drawn to the views out the windows, which are pretty wonderful. I want the house and everything in it to harmonize with the natural setting.

I decided against slate because I thought the colors seemed too bold. I love the stone pebbles and will use them as accents in the bathrooms but think its just too much for a backsplash in a nice sized kitchen. The back and sides of the island will be stained beadboard and I have thought about using beadboard for the splash, but painted the same color as the walls (SW Grassland) or some complimentary color. Any thoughts?

Don't forget that travertine is very porous. If you have grease fly up their from cooking, it may show stains. We have just the trim of the backsplash design over the stove in travertine. Sealing may help if you use it all over.