We are adding an addition on to our house and this is the vanity we will be getting. It's white with a white Carrara marble top. Walls will be Benjamin Moore Stonington Gray. Our current plan is to do white subway tile in the shower. What floor tile would look good with this? I originally wanted to match the marble but I can't risk my 3 year old slipping on that slippery marble. I wanted to keep the bathroom in a white/gray/black theme. Thanks in advance!