I am trying to decide how to accent the back wall of my shower stall. I'm using a muted seafoam subway tile as the background. I am trying to decide between 1) doing a rectangular herringbone pattern accent square using the same subway tile as the background tile (similar to the first example below) ; or 2) filling in the accent rectangle with my floor tile (similar to the second example).

The third photo is of my subway tile and floor tile. I also have trim tile for the border, not shown. At first I was leaning towards option #1 because it's more subtle, and I also have a similar square herringbone subway tile accent over my kitchen stove. Also I was concerned that things will look too busy if I use the the floor tile for the shower wall accent. However my friend said she preferred the idea of using the floor tile. Any opinions appreciated. Thanks in advance.

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