This is the marble for the walls, and the dark is for the floor. Maybe the dark marble should be on the wall behind the sink??

Hi mariadee. It's hard to visualize from the pictures you have posted. Do you have pictures of the current space or is this a new home construction? As that is a unique pedestal sink in the same stone, doing a contrasting tile would highlight it well, but its hard to really give goos suggestions, we need more info. What,s your style? How is the rest of the home finished?

Thank you for you're answer. it is a new house that we are building. the style is being held in Nature colors the walls in the living room will be in oak and also the sleeping rooms. the colors are kept in oak, black, brown and olive green. I would like to have that space, it feels quiet, luxurious and beautiful.

This is for the other bathroom.

And this is the kitchen and the Italian tiles will go behind the cooker. This I not from our house.

Sounds like you have a really good idea of how it will all go together. Three colours is always a great place to start and your choices are gorgeous (if expensive). Just trust your own judgement, make a floorplan, make cut outs to scale of the bath, shower, loo, basin etc, and move them around the floorplan until you see a configuration you like.