A light gray color sofa would be perfect for the dining room, which would match some of the kitchen items and would be match a color combination.

How about this brown leather? Do you have a rug in mind? That might change possible suggestions.

For a lighter look, this pale taupe is a good match with your ceiling.

thanks everyone. I do like the taupe --am I stepping into too much beige? But I like it.

I like the taupe color, too. I think you’ll need a rug to ground it, or risk coming off a bit bland against the floor. It’s a beautiful room! I hope you’ll post some photos as you proceed.

An area rug will make all the difference with a taupe color sofa. Art will make all the difference. The room will come alive with accessories.

velvet or chenille?

How about something out of the box--pale turquoise to echo your kitchen backplash?

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Your two photos are displaying as two very different colors. One of the issues with helping someone via the internet. It is also an issue when viewing furniture colors over the internet. They don't display accurately.

What works with your flooring and ceiling is really going to depend on accurate assessment of the undertones.

Maria Killam has a nice, inexpensive tool that really helps you figure out the undertones your are working with and what works with those undertones.

https://mariakillam.com/product/colour-wheel/ 

You can also pick out a bunch of color swatches at your local Benjamin Moore or Sherwin Williams Paint store and bring them home. Look at them outside with one of your tiles and pick out the ones that don't look pink or green or yellow or blue or gray next to your tile. They can be lighter or darker, but your really looking for a couple that are really close in color (Chroma and Hue). Take a picture and share and some of us who work with color will be able to help you define what you have.

The one thing I can tell in the ceiling and the flooring are warmer, more violet/pink than the fireplace (more green). 2 undertones can work together, but you want to be careful that you don't get too many and they don't start fighting with each other.

Can you tell us what else is changing in the space - are all the walls their final color, are the beams their final color, is the kitchen completed - is the backsplash blue or is that blue plastic protection over the tiles. Sorry - can't zoom in enough to tell what is going on.

If the walls are finalized - what white di you choose. It feels pretty stark next to the other finishes.

Jennifer Hogan, Thanks for this very thoughtful comment. fyi, the floor has a pink undertone since it is bleached cork. The ceiling has a gray undertone. The walls are Benjamin Moore Glacier White, which is transitional. The two photos are of a living room on one side and a kitchen/dining area on another. They are connected but the sofa is in the living room. The beams and mint tile are true to color and chosen for this midcentury modern. The wall you cannot see is a wall of floor to ceiling windows overlooking a canyon.

I REALLY want to see that canyon view. I feel that it should probably be the inspiration for your color scheme.

this is the canyon view --- from right outside the room in question.

@Pamela, Thank you for the answers. You confirmed my thoughts, but I wanted to be sure before offering any suggestions.

We have similar color palettes with the exception of the fireplace color. My MCM has pink brick, but we both have taupe flooring and blue green as our main accent color. I don't know how well you can see the taupe rectangle on the floor on the picture to the right - that is the flooring that is being installed in the majority of the house. The only flooring I am keeping is the purple red and green slate in the foyer, but it is the basis of the color palette for the rest of the house.

My sofa is a bit lighter than the taupe on my walls - sorry I don't have a picture and the room is destroyed right now as I am just beginning the reno on the living room. I would have chosen a darker taupe to violet gray, but the sofa I wanted was >10k and I found my sofa on sale for $2500. It was a good brand and the right size and I decided to use the $7500 on my reno rather than the sofa of my dreams.

I think you like the taupe because it is a really good choice with your flooring, ceiling and blue green accents. Taupe is somewhere between pink beige and violet gray. If you go too gray it may fight with the fireplace, where the little bit of beige in the taupe and keeping it lighter will help balance with the gray green.

turquoise is nice too, but, maybe too much in the space? Not sure!

What a stunning view! When you mentioned canyon I had imagined canyon WALLS. Instead, I see a view that goes on for miles with the city laid out below you. I’m a bit gobsmacked! I mashed up the interior with the exterior and discovered that the deep green of the reflective surface and the soft blue/greens are very harmonious with that incredible vista. So nice!

Your view will not always be that bright..and your landscaping is gray/ beige …..like much of your interior…so i think it would be good to start adding more color…the green in the beams is perfect to use as a guide in color selections…pillows…curtains..prints…art…rugs…this will give the pretty beams an affirmation..of sorts..while blending perfectly with the nature around you