Personally, I think a dining room should sing at night. I decorate accordingly. If I were doing your room I'd play off the colors you have...I'd use the Amherst Gray (gorgeous color by the way) and I'd do a silver or pewter dry brush over the paint very thin. You'd have a gray that during the day plays well with it's close friends, but in candle light....yummy and rich. I'd compliment that with the same tone dupioni silk draperies on black rods with perhaps silver accents. Fill the dining room with pewter or silver and crystal and you have a dining room as a dining room is meant to be :) Elegant and lucious :)

Beautiful home. You have a lot of grays going on. Not sure I would bring more in. I think it would feel disjointed.

Here are some suggestions:

1. Horizontal strips using Revere Pewter and Excaliber Gray
2. Wall paper the whole room or an accent wall
3. Paint the ceiling Amherst Gray and the walls BM Dove White or Revere Pewter, A dark ceiling with a fabulous chandelier is dramatic.
4. Paint the ceiling Excaliber Gray with horizontal strips of Pewter and White Dove.

You can always pop color in with art, upholstery, or/and a rug.

I completely agree with igloochic. You can use many tones of grays and silvers with a splash of spicy orange and some "bling". I have a picture here that may be over-the-top, but it has a combination of creams and grays. The walls are stried, giving them that dupioni, silky feeling.

Wow - the suggestions are beautiful. What widths are you thinking of for stripes? I never even thought of bringing the Amherst gray back in - that is something to noodle about.

What if I wanted to go less elegant, more family -- still looking for warm suggestions. I am not sure which direction I will go - more or less elegant - just want to investigate both so I feel good about decision.

OMG, love stripes. I stopped suggesting them because nobody seems to bite. I would go with wide stripes, 8" or larger.
And if you paint the walls a flat, paint the stripes in a satin or pearl, you have a satin stripe. This is a LR, but the colors are soft.

pink? a medium bright pink? My husband protested a lot about my choice of pink in the dining room but my trim is white dove, my kitchen is white with black counters and stone harbor walls which you see from the dining room. I did a color called 'pink Ruffle' and it is PINK, BUT IT LOOKS REALLY pretty and striking with the trim and dark furniture.
and I love pinks with grays. If this pink it too bright there are some much more muted shades of pinks from BM. I think there was one called strawberry creme I really liked. Very subtle but creamy pink hue. I would show a photo but I am still painting 2nd coats on trim and crown is not on yet either.

Love the suggestion for the Amherst Gray on the ceiling. That's what I tend to do in unifying rooms w/ color. I bring an adoining room color up onto the ceiling. Amherst Gray is gotgeous!

I am partial to any DR w/ a dark ceiling!

Oopsie913 - Looking forward to seeing a photo of your pink dining room. My problem is the living room is definitely purple, though the Excalibur Gray looks more gray in the color swatch. I need to get a photo up. I think pink would be too much color against the purple.

Yellow/green, orange/red (soft) or maybe stick with the colors I have. What is the homey/fun option versus the elegant option.

The Navajo Red just went up in the 1/2 bath. Crazy but beautiful.

What about horizontal stripes? A little more contemporary than the vertical ones. I though this was a great example, particularly the tone on tone color. It could be one wall of stripes, the whole room or maybe this only works in a small room like this bathroom from Houzz.

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[traditional bathroom design[(https://www.houzz.com/photos/traditional-bathroom-ideas-phbr1-bp~t_712~s_2107)

Here is another idea. This one has three bands of color, dark to light, I could go light to dark (and maybe even top off with dark ceiling.)

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[contemporary bathroom design[(https://www.houzz.com/photos/contemporary-bathroom-ideas-phbr1-bp~t_712~s_2103) by other metros interior designer christy johnson

Or more traditional - wainscoting light, dark above. Or even dark above with vertical stripes like the previous post. or horizontal stripes above the wainscoting (might be less intense that way.) I also like the high wainscoting in this photo, but even more traditional.

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[family room design[(https://www.houzz.com/photos/family-room-ideas-phbr0-bp~t_720) by other metros interior designer Seaside Interiors

Dining room used to have chair rail, maybe we put it back, dark below, light wide horizontal stripes above.

So many options, only one dining room.

Again, looking for another option for dining room - warm and casual versus the more elegant we have been considering.

Yes, of course, pink would just be toooo much. But I just wonder about a darker grayed purple then for YOU. Do you like
the metallic coatings? I think that would be so elegant and cohesive with the other rooms. Not sure I will ever post this dining room as I am having about a 45% for the color as opposed to the 55% against it. It IS a bit bazooka-gummy-color. This may be my room that will become a foot smaller like many of my home's have had from changing the color so much.lol

Your palette is beautiful.
Given the flow of your plan, and the fact that you want warmth in your DR without upsetting the tonal quality you have established, and you like the stripe idea, I would recommend BM Audubon Russet (HC-51), which is a lighter terra cotta than the Navajo Red, but similar in tone, in a flat finish with 7 inch stripes of semi-gloss varnish set 9 inches apart. Those proportions have more life than equally spaced stripes do. I think the russet will read beautifully through the doorways from the other rooms, and vice versa.

With your trim color, I'd paint the all the ceilings Edgecomb Gray (HC-173) lightened with Dove Wing white, which will tie the rooms together and give you an elegant, finished look.

Unless a room is very large and the ceilings very high, I would not try to mix additional colors in. I think it gets too busy, with everything that is going on in a furnished DR, especially when it's full of food and people!

ding, ding, ding, I think Igloochic wins the prize on this one for the most elegant idea - IMO.
Diane

Oh...on the subject of horizontal stripes...I think they look great in the photo you showed, but note that they are there to counteract and widen very tall narrow spaces. In a dining room, which is already rectangular, they can actually make the ceiling appear lower, whereas vertical stripes raise it, and square up the horizontal massing of the long walls.