Laundry/Guest Bath
For the floor, like a dark grout and (like the photo with the dark wood vanity). The octagon shape is historic (in keeping with the room with the stained glass) and the octagon shape mirrors the bay window.
Long-thin subway style, glossy, textured, beautiful colour (Aloe Green) that would complement the stained glass window. Could use this for the shower and walls.
Alternatively, this tile for the floor (there are yellow jewels in the stained glass). Like patterned tiles for the floor in general.
And maybe this tile for the walls (although the aloe green might still work with the bold floor tile)
Same as powder room and master bath.
Like the floor tile.
Q