Contrasting grout color would help to make the floor design such as geometric tile layouts and patterns stand out.
Marble subway tile light grout or dark grout.
Clad in white subway all tiles accented with dark grout this contemporary black and white bathroom features black and white floor tiles leading to a marble step positioned in front of a glass and steel enclosed walk in shower fitted with black hex floor tiles framed by a white subway tile surround finished with corner nook shelves and a vintage nickel exposed plumbing shower kit.
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.
We re clean cooks so we decided not to seal the grout based on some advice we got here on gw as well as other research.
White subway tiles are clean simple and classic but this design twist using dark gray grout transforms the look and feel of the space highlighting the tile layout.
Our granite is a warm colour but i wanted the grout to compliment the white tiles with a hint of grey so the granite was the star.
There are even grout stains so you can change the color if you change your mind.
In the bathtub i continued with the same light grey grout with white subway tile.
The grey blends seamlessly.
Had i been able to do white with white i would have loved the look you chose.
In my bathroom i chose marble penny hex tile.
White grout is a risk in bathrooms though as everyone mentions.
Until the 1980s there were only two choices when it came to grout.
For example using a contrasting grout color with a plain simple tile helps the overall design come to life such as the contemporary look of classic white subway tiles with dark gray grout.
I had wanted white cabinets with white subway tile but my cabinets ended up having a yellow undertone so i went with a light gray subway tile and yes the grout decision took a while but ultimately i matched the grout with the tile for a seamless look.
Now there are endless colors even metallic and glitter are available.
I went with a light grey.
If you want a more contemporary take using classic white subway tiles gray grout is the answer.
I do love the slight contrast but would have been happy with white white too.
As in this kitchen below when paired with a darker tile light grout picks up the colors of the natural stone countertops and backsplashes creating a cohesive and beautiful look.
Use a non sanded grout to protect both the marble and the grout from discoloring too much.
The white was too stark for my taste.