Please lower the rised bar section while you are at it and IMO you choose backspalsh after the counter is in and BTW IMO a nice real stone is abetter choice if at all possible . I like large format glass subway tile in a color from the counter.

Daltile Mythology color-Olympus. 4 x 12 wave crest, or arabesque are a good match

ironsbridge has a gray undertone to it, wondering why you went w/Alabaster, which is a bit warmer white, or chose this counter w/your warmer cork floor.

But, you could do a darker greige color tile to tie into the cork

do you like something like this? What about the shape? do you not like the longer subway tiles?

how about this off white chevron?

or more like this? (this is a brighter white cabinet color)

herringbone? this is a smaller mosaic, but you could do larger tiles too

You could go w/this hive tile. this one shown above is Linen. It's warm enough to go w/counter and your paint color

I hope youre changing out that hardware. No need to have the dark on any longer.

And lose the knobs. do handles. either a soft brass or brushed nickel.

We thought sharing a few ideas from our designs might help you with this dilemma,

What about a beveled tile?

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You could also see about getting a large piece of countertop to use as a backsplash, you'd just want to make sure it was complementary to your current countertop.

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