It depends on the kind of tile you are using.
Best color grout for white tile floor.
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.
Contrasting the main color of the tile with the color of the grout makes the tiles pop on the floor.
White carrara marble is often grouted with a dove gray grout to pick up and accent its veins.
Using colored grout can alter the way the flooring of any room looks.
Even in a simple brick pattern a soft gray grout paired with white tile makes for a solid choice for traditional or transitional spaces.
Or you can use a color as an accent to that of the tile.
For example if you re working with a white tile do you prefer white charcoal.
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.
It brings a level of subtle richness that suits shaker cabinets veined stone counters warm wood floors and other sumptuous finishes and it s timeless too.
For instance you can contrast the grout or complement it regardless of the tile color.
The best way to choose grout is to decide if you want it to match complement or contrast the tile says walker.