That s the same exact grout color warm gray everywhere in the picture above although it looks grayer when it s next to the white subway tile and lighter when it s next to the dark floor tile.
Best grout color for white marble tile.
White marble turned gray color grout for carrara marble marble hexagon with mapei silver grout images master bath laticrete silver shadow with carrara marble basket weave tile that hampton carrara marble backsplash done zo chris loves julia tech silverado grout color pebble shower floor marble.
Especially when looking at it in the daylight.
But if warm gray isn t what you had in mind for a particular project there are a ton of other colors to choose from that mapei makes.
Use a non sanded grout to protect both the marble and the grout from discoloring too much.
I went with tec standard white grout and it came out very yellow or antique white against the tile.
For the white subway tile on the shower walls i selected a white slightly off white grout and for the marble basketweave floors i selected the closest color match to the color of the stone.
The light gray is also a fine choice but keep in mind that it will darken and maybe not match the tile color quite as well over time.
For anyone checking back on this i am having a new house built and had a carrara marble 3x6 subway tile backsplash put in the kitchen with absolute black granite.
Marble tile typically contains several different colors and color veins and so there are many options for.