Here is a little Feng Shui 5 element creative cycle explanation. The white tiles and fixtures= Metal element, creates water element which is represented by the color black and dark blue. It's seen in the dark blue glass countertops, black colored grout and black colored aluminum-trim. This water element is there to create (grow) the Wood element = green mosaic and plants next to black water element. Makes sense, maybe. The feel is more important and comes from harmonious color selections and their relation with each other.