We put in a white subway tile backsplash with dark gray grout for contrast. (tealinspiration.com)
I was all paranoid because I had recently settled on this exact tile with black / dark gray grout for our bath and when I saw the blunder around the edges I had a minor heart attack followed by sadness. (hookedonhouses.net)
Fabulous bathroom with angled Waterworks white subway tiled bath nook with contrasting dark gray grout. (decorpad.com)