IMO you are doing this backwards The floor and shower tile should be the first decision I always choose the items that are the biggest first. The counter looks very gray on my monitor so the floor I think needs to now be chosen to work with that counter . I like 12 x24 porcelain tile for both bathroom floors and shower walls with a smaller tile in the same color for the shower floor if needed . Too many finishes in a bathroom are just too many . I do not see the sink and the light is soso but please at least make sure the bulbs are LED 4000K to keep those gray tones true with no yellow cast

I suggest a gray slate-look floor and white or light gray (pick a color from the counter) tile in the shower or tub surround. I am posting a picture of a bathroom with green tile if you're more adventurous. If subway is too boring for you, there are other sizes in rectangular tiles. If you have a shower instead of a tub, the shower floor is best done in a small scale square or hexagon. While you can use larger tiles this takes a more skilled craftsman and those aren't always easy to find. Something variegated in shades of white and gray will tie all of your elements together.

You're right to be concerned about the light fixture with the faucet, this is not the right one. This is what I found in a quick search: https://www.houzz.com/products/prudence-4-light-brushed-nickel-vanity-wall-fixture-white-etched-glass-31-wide-prvw-vr~42025126. It still has curves, but the shades are more contemporary. Don't get anything with clear shades as that is glaring light. You didn't say how wide your vanity is, but if you have room, sconces on either side of a mirror are better. Also, I don't agree with having 4,000k LED lighting. Everyone has a difference preference, but 4,000k is way too blue for me. You can always try different bulbs until you find the right light for your taste.

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@kandrewspa

Thanks

This is my layout of the Master Bath

Of course, the lights, sinks, and faucets are all generic from my design program. Whatever I get I want the shades to be solid (I don't want to see the bulbs). The granite countertop is taupe, black, gray, and white and I thought if I went with gray flooring that would be too much gray. The flooring that will be in the rest of the house blends well with the cabinet colors and beige tones. My sink color is called Oyster (taupe). One in the Peninsula, one in the Kitchen Island, and one in the Laundry Room.

The top is the LVP called Santa Fe Desert which will be in most of the house. In some light, it looks on the Taupe side, and in other light, it looks on the beige/cream side. Left of the cabinet is sheet vinyl that will be in the Laundry Room, Storage Room, and one of the Guest bathrooms. Some photos show it more on the Taupe side and others show it more on the Gray side.

Thanks for your photos.

I agree with kandrewspa. Two mirrors or one large is better than what you have shown because you won't be standing right in front of the mirror when you are at the sink with the way you have planned it,

@kandrewspa

The mirror is actually a recessed medicine cabinet framed with the same material as the cabinets. Looking at the lights--I wanted something that would be long enough to look good above the 48" wide medicine cabinet. I see you have two 3-light sets above your mirror, maybe I could do that. I wanted the side lights for balance because I did not know which ones would work better.

They don't sell a 18" or 20" medicine cabinet to go with that vanity? It would look better to have two smaller ones with sconces than it would to have a 48" mirror over a 72" vanity. It is true that the four light fixture looks better over a 48" mirror than two threes would, but the 48" mirror is intended to go over a single 48" vanity. An overhead fixture with two sconces on the side is an unusual way of lighting a bath that I don't think I've seen anyone do before.

I just don't think overhead lights provide the best light. If you don't have room for anything else then you're stuck, but if you can make sconces work they're better. The only reason I have two threes in my one bathroom is because it's the guest bath so I didn't need a medicine cabinet and didn't want to have to remove the large mirror that has been there since 1995. Or rather, DH didn't want to do it. :-)

Go with a charcoal colored porcelain slate-look tile for the floor. It will ground the rest of your selections and be a nice contrast to your cabinets.

Examples, with similar materials:

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@kandrewspa

The cabinets have been ordered and waiting to be installed. I think the cabinet lady was going by what we have in our master bathroom right now. I have the Hollywood lights above the medicine cabinet. I did not copy in the photos but I did see a few with above mirror and on sides too.