Use a non sanded grout to protect both the marble and the grout from discoloring too much.
Grout color for white marble tile.
And now to grout colours which i get asked about a lot so here s a hot tip.
You can even have white subway tiles with aquamarine blue grout if you desire.
Pick a brightly colored tile and neutral grout.
Gray grout will emphasize the dramatic gray veins that mimic real carrara marble while the white grout will the porcelain floors light bright and elegant.
Or go with a neutral tile and colored grout.
This is because i have been in hundreds of bathrooms over the years that were filled with white tile and yes you guessed it dirty white grout.
Depending on the color of grout used the look of carrara pietra porcelain tile can vary once installed.
Different grout colors for tile can produce startling contrasts or smooth out and make a design more cohesive depending on your tile and grout choices so do your research thoroughly.
For white tile floors i often specify grout that matches the colour of natural stone below.
You aren t just stuck with gray or white grout anymore.
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.
White grout is a risk in bathrooms though as everyone mentions.
One of the most popular choices in home design today is white tile with gray grout.
Why not get creative.