OP, I really like your choices; it’s going to be beautiful! Look at some light grieges that lean either a little warm or a little cool, depending on what you think looks best in your lighting. For example SW Accessible Beige (leans warm), or SW Worldly Gray (leans cool). If you want to have more of a white, but not stark, go to the SW “whites” and look for a warm-leaning one and a cool-leaning one to try. If you want something with a hint if green, try SW Silverpointe. It looks like light gray on the little paint card, but it’s a nice soft gray with a green undertone. Lighting makes all the difference, so make sure your lighting is already installed, and your windows are in and clean before you test your paint samples.

Home Depot is the only place within two hours that sells the pre-fab, and the colors are horrible. I need three bathroom countertops, and the largest is 52". I should be able to find remnants, but I can't even find fabricators who have remnants. Nobody has a website and the fabricators don't advertise, at all. I found six places in Tulsa, but none of them have quartzite remnants. I can only find stone suppliers. I will make a list of suppliers this weekend, and call them on Monday. Maybe they have a list of fabricators near me. Even Google maps didn't have anyone listed near me. They didn't have the two fabricators that are a half hour away from me. What is your opinion on glossy vs honed in a bathroom. My kitchen has leathered Sea Pearl quartzite, and I love it. I prefer matte colors usually, but I doubt I would like leathered bathroom countertops.

There must be two billion showers with white subway tile in the shower. What is the vanity. What feel do you want in the space? What are the near bedroom colors? .......and there are more than a billion porcelain tiles in every color one can imagine. Many of which have a matching mosaic for a shower floor. You need to be a participant in the design of your own space before anyone can really advise. : ))

Solid color gray - color found in the shower wall tile. You lucked out, it wasn't a bad choice they made for the shower walls and it looks like good worksmanship.