What are you showing us in these photos? You need to get samples of the paints you are considering and test them in these various locations...

Yes, I plan to do that, thanks. Just curious if people are familiar with those colors and what they would recommend against the colors in our home in the kitchen, stairwell, etc.

I think the gray will be as boring as the builders beige. You have beige tile & beige carpet skip the gray just my opinion

Purchase paint samples and white poster board. Paint two coats on the poster board,
Move them around the house at different (lighting) times of the day to see how the colors work in your home.

For some time now, builders have been using boring grey instead of boring beige, so only do it if you love it regardless!

We painted the exterior of our home BM Dorian Grey and LOVE it but it might be too dark for the entire interior of your home ??

Did I see somewhere on here (I'm new to site, day 1) where you can upload your picture of your space and change the paint colors on it to get an idea of what it will look like?

check the Sherwin Williams site for that feature

I love grayed greens because they are neutral but not gray which BTW can be harder to choose than you can imagine. Gray cashmere BM is a very nice color.

instead a boring beige a boring gray