Large scale tiles are definitely on trend when it comes to bathroom floors right now. If you choose to go that direction, you can use the same tile cut in smaller sizes in a different area of the bathroom. For example if you use 12 x 24 tiles on the floor, you can use the same tile on the bathroom floor in 2 x 2s to continue the color across the entire floor, but creating a more slip free shower floor.
honed travertine, matte finish. Shower Floor - The central area and stripe around the outside was a 2x2 travertine mosaic in various shades. The white stripe in between those two is Botticino marble, which is very common... As far as the travertine colors go, look for "Durango" as the creamy color and "Noce" as the more brown color