Do the tiles have gray in them? it's a little hard to tell in the pictures. If it is I think a really like gray would look great such as Sherwin Williams reflection.

Mixing white and pale almost-whites can be tricky, and if you miss it by just a sliver, something does indeed look dingy, and something else looks cold. Although the grey would work, I think you've got a wonderful opportunity here to show off that beautiful Carrera by contrast. A rich, saturated, luscious burgundy comes to mind. Have fun!

Another tip concerns your lighting. LED's at 4100k (or higher) produces a "white" light, that's the type of "light" used for all the paint chip displays. The old "Edison" bulbs produce a "yellow" light. Swap out your bulbs before you do anything else.

Thanks for all of the advice so far! Sorry for the horrible photo quality, it is winter in Canada (so not much natural sunlight). I have uploaded a slightly better photo, hopefully this helps. I agree with the poster above that a rich saturated colour would look lovely, but I really wanted a light and airy colour for the space.

My favorites for light and airy are pale apple or mint green, pale aqua, and a very pale pale blue, almost a blue wash.

The current color looks beautiful, it's light and airy. How about living with it for a few months to see if grows on you?

Looks like a different bathroom in your last pic. The first two pics show as pink/purple on my monitor. Did you get a chance to change out your light bulbs as suggested above? Do that first. Then if you still want a new/different color, post the pic with the new bulb lighting.

I love the color of it!

ETA clarity to my post.

What color is the last picture? That looks good. I think if you live with it like was suggested above you will like it. Accessorizing with some amazing colors for that wall color will help to pull the room together.

I have a bathroom that I used BM Bunny Gray in and it looks like a baby blue. I have white, gray, and marble in that room.

I have another room with carrara marble in, and I used BM Horizon, but that has a bit of green in it. The Horizon is very pale and might seem white to some. But the warming of the blue goes with my walnut.

The Bunny Gray is a bit richer and looks fine with my whites, blacks, and marble. I tried many many samples for the marble in this room and settled on the Bunny Gray. No pink or green that I see in the Bunny Gray.

This is a deco that I found and based my BM Bunny Blue room colors on. The lichen might have faded but the reddish in the mussles go well with the blue. The blue is very pale in these picture. click on them to get them full sized:

I did BM Gray Cloud w/my carrara. it's white and black tint. here's what it looks like.

Raindrops on Roses is pale, lavender gray.

I would NOT mix a warm white with Carrara, though many designers make this mistake. Carrara generally has a blue-gray background, and thus will look better with cool grays and crisp whites. You don't mention what color your trim is now, and whether you'll repaint it - but if so, Ben Moore Distant Gray is a good choice. PS - it's actually a white, not a gray (I know!). For walls, any icy blue would work, or cool gray. On the grays, SW 7648 Big Chill, 7649 Silverplate, or 7651 Front Porch work with this marble. Into the gray-blues, SW 6232 Misty or 6246 North Star would do, if you want more color (less gray). PM me if you need more info.

In order to get a crisp look from the carrara, consider Benjamin Moore Decorators White for the ceiling and trim and a taupe with red undertone to compliment the grey veining. Design-seeds.com is my favorite color site with gorgeous palettes taken from natural settings, but beware, it might drive you nuts.

Stay away from greens and yellows. If you go with a deeper tone the stone will be enhanced and the bathroom lighter than you might imagine.

The paint colors are all Benjamin Moore. Elephant Grey (the first chip) is what I would recommend. After The Rain is another favorite. Hope this helps.