Contrast grey grout with white tiles looks wonderful especially if you decided to use subway tiles in your shower area.
White subway tile with dark grey grout.
I do love the slight contrast but would have been happy with white white too.
The flexibility of grout color for white subway tile backsplash is pretty exquisite and if you crave a lighter space white grout is a great starting point.
Since i did an inset cubby with the same penny hex the grey seemed like the best option.
Oversize white subway tile with charcoal gray grout.
The best part about white subway tiles is that if you want to keep the look classic you can simply use a matching 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.
In the example above the white subway tile and gray grout usage are on the wall size backsplash.
Well appointed gray kitchen features glazed white subway backsplash tiles finished with dark gray grout and framing a stainless steel kitchen hood flanked by black windows mounted above gray shaker cabinets accented with satin nickel pulls and gray granite counters located on either side of a stainless steel oven range placed on oak wood floors.
Many people prefer using white grout with white tiles to make the walls look flawless and united.
Had i been able to do white with white i would have loved the look you chose.
But before you name it the best solution for your bathroom thinks about a different approach.