I'd rather see the yellow/gold go.

I think they're OK together, but they're both neutrals (at least that's how they read on my screen...more tan than yellow) and there's no color and nothing to focus on in the shot you have here. I would add something big and interesting with some color on the wall behind the dining room table.

I used Behr "silver tradition" and "pollen grain" in my dining room and I'm very happy with it. Three walls are the light grey and one accent wall of the yellow.

On my screen, the gray reads too cool. Have you thought about going with a warmer gray. This was the problem I had with my living room, trying to find a warm gray...ended up going with Behr Premium in Elephant Skin. I think a color like that would work with a gold or yellow paint in an opposite room, maybe.

Adding a color to existing colors is tough - we recently did that for out kitchen. Here are useful tools:

1. Check out the Farrow & Ball Paints website - http://www.farrow-ball.com/colours/paint/fcp-category/list?resetFilters=true.

F&B makes high-end paints in a traditional UK palette, but what's great about them is their website - a color (colour!) swatch, a very specific description, a photo of the paint on a wall with trim, and 4 sample combos of the color with other colors (wall-trim-accent or wall-trim-ceiling). They have a great selection of off-whites and grays, and with only 132 colors it's not overwhelming. It's also really smart and interesting (ie - how red is so difficult to use because you have to pick the right [off] white to go with it...). Order their free brochure, use it to match the existing color and then check the website for complements.

2. Take a swatch of the existing color and go to Home Depot, to the Martha Stewart collection. Each paint chip has 2 coordinating colors on the back. I have dozens of her chips as a reference. Again, the combos have a certain "look," but it's a great way to get ideas.

I'm really liking Behr's "Squirrel" right now - it reads a bit green, but next to the yellow would look very warm and gray.

I also agree with suzee that you should look into adding something to the wall as well.

I am a big fan of grey and yellow, and you've chosen a good grey, but your yellow needs to change! Essentially, move away from anything ochre/brownish and towards the sun, and you'll find that the reward is refreshing and really pops. Think bright mustard or banana colors. Check this for reference on awesome grey/yellows: http://www.ilthis.com/wp-content/uploads/2011/06/Splendid-things-grey-and-yellow.jpg

I think you can add some "earthy" elements to the dining room to blend the two a little better. Pendant lamp with a tan/beige shade, warm wood frame for the picture rather than black frame....I have some woven baskets in my grey room that are made of sea grass that seem to warm it up well - maybe for placemats?
Like this:

http://www.google.com/search?hl=en&q=sea%20grass%20bin&um=1&biw=1129&bih=718&ie=UTF-8&tbo=u&tbm=shop&source=og&sa=N&tab=if

I painted a charcoal grey accent wall in my rental's living room - the other walls in the entire house are painted in that lovely ugly beige/yellow color. I think it looks ok- I use black, brown, grey with pops of bright yellow and red in the room.

My question is why??? is everyone using this wall color to torture us lowly renters? Seriously, it's everywhere.

watch all the color cure videos!

pale lemon yellow would look great with that gray, or just a nice cream paint, depending on your furniture and lighting in the rest of the room.

That beige shade is not lovely at all and it's really not yellow. There's yellow in it, but it's very peanutty.

I think you have a GREAT gray. Change the other paint, not your gray.

I think yellow and gray can be great together (meg's room from design star Monday night used this combo on walls). You can knock your yellow back a hair by adding a teensy bit of lavender tint to keep it balanced and this way will change well in different light.

Benjamin Moore's Chelsea Gray.

I'm with KatieVV & slopegirl. I'm a big fan of the yellow & gray combo, and I love the gray. I think the change should be with the yellow color.

In the photos the yellow comes across as tan. I love the idea of a more pale yellow. It should still match the decor you have in the areas where the walls are the current yellow, but it will match more cohesively with other areas--like the gray areas.

Best of luck! I have gray walls in part of my apartment, and I love them!

I think where a lot of people go wrong with this color scheme, it that they choose a grey with too much blue in it. A warmer grey would blend much nicer with the yellowish wall, but if it were me, I would just paint the yellow wall one or two shades darker of than the existing grey wall. I love 2 toned grey rooms

we did something similar in our place, we used mercer by ralph lauren. unfortunatly they stopped carrying that line at home depot in favor of martha stewart so I dont know if its available.

The key i think is to go for something slightly warm in hue and a bit darker than you have.

Ditto on avoiding the ochre/brownish. They only seem wortwhile in a richly pigmented paint like Farrow&Ball.

I have a bathroom and the area under the chair rail in my dining room painted the same "porpoise" color from Behr and have BRIGHT yellow and green accents in both rooms. I think that yellow that the other walls are painted is the problem, not the grey. Are you attached to the yellow?

I'm going to guess that you don't want to paint over the tan, maybe because the room is much bigger than we see here -- am I right?

If so, your gray could be warmer, a bit of the ochre in it. Alternatively, the photo gives me the impression that the tan color is close to that of blond wood -- natural maple, birch, like that... If that's true, you could get two more chairs for your table in birch (or whatever) for the head and foot of the table, with the shite chairs on the sides, and maybe a pendant light with a shade that color (which would also make that space feel more complete). Some art on the walls that includes both colors, and it might be all you need.

Good luck!

Oh, dear! make that "white" chairs! Proof reading it NOT my forte!

Why didn't you paint the yellow and keep the red? Red and grey are easier to match than yellow and grey, esp that browny yellow....

Yeah, is the reason you're not painting over the yellow/brown because there's a ton to paint? Maybe it reads differently in real life, but it's pretty tan and if there's anyway for you to paint over that color, I think that's the best option. If it's too much or you can't paint over that for some other reason, I would say that the color combo isn't awful, and I would add a ton of natural elements (in tone and materials) - creams and whatnot instead of strong whites and blacks like you have. Not that I'm suggesting you get rid of your table/chairs because of the paint, just where you can I would add lots of more natural materials to warm it up and bridge the colors together. Someone mentioned seagrass, and that would be great. A woven pendant, and other accessories in that vein that will lighten and brighten the tan but still coordinate with grey.

The gray you chose is too cold blue/gray and light. You need a deeper, warm brown gray color instead.

If you want a bit of drama go with a near bronze color - deep warm gray/brown.

Why not paint the ENTIRE room the same color - Either the grey or the khaki?

(preferably the Khaki since the carpet is beige)

My apartment uses tons of gray and yellow hues.
Specifically, my bedroom is Butter Yellow with an accent wall of Deep Space (B.Moore). It was once a mid-tone gray, but the darker shade feels so much richer. I do have really good sun in the room and have decent lighting fixtures to handle such a dark shade. The overhead light fixture in your room can appear harsh if it's your only light source. Personal opinion is pale grays can become dreary if not done right.

This one is shows the color combo: http://www.flickr.com/photos/designmark/6100590973/in/set-72157627564265032/

My flicker set of the entire apartment: http://www.flickr.com/photos/designmark/sets/72157627564265032/with/6101151934/

Apt Therapy did a House Call a few months back: http://www.apartmenttherapy.com/ny/house-tours/marks-eclectic-evolution-house-call-135655

The two colors don't look bad together but don't look really that good together so I probably would be too lazy to repaint the grey and would just add some other color in ornaments to the dining room and living room to tie them both together.You really do need some pops of bright color in there.

I feel like greys can be really tricky and change dramatically in different lights/rooms, but I LOVE these two shades of grey:
Behr's Elephant Skin and Ashes
I used them in two rooms of my apartment. Check them out if you'd like:
http://www.insideways.com/2011/04/when-we-moved-in-our-living-room-was.html
http://www.insideways.com/2011/08/my-perfect-cello-studio.html

Are you really set on keeping those tan colored walls? I think those are the problem, more than your shade of gray. If you want yellow and grey, the yellow needs to be bright! The gray might need to be a tiny bit darker, but I'd start with the yellow and see how it goes from there. Check out the pallete in these pics:

http://www.habitardesign.com/Websites/habitardesign/Images/yellow%20and%20gray.jpg
http://3.bp.blogspot.com/-d6HP_G_IDi8/TdbXO1e7x6I/AAAAAAAAAFw/DMAk8lhfqF0/s640/yellograydoor.jpg
http://www.thelennoxx.com/wp-content/uploads/2011/01/gray-grey-white-yellow-modern-chic-classic-living-room-design.jpg
http://www.discount-comfortersets.com/wp-content/uploads/product_images/gray-and-yellow-duvet-beddings-B004K09NUO.jpg
http://www.sundiego.com/images/products/11619_MOONSHADOW_3.jpg
http://phugcus.zenfs.com/phugc/ApBbRrx2onPA/photos/36e65cfda01b4e8c21079babf0941b7c/mr_f9312addefd14a.jpg?ug_____Dcufp0HfM
http://www.google.com/search?q=gray+and+yellow&hl=en&qscrl=1&nord=1&rlz=1T4ADBF_enUS284US284&biw=1280&bih=650&site=webhp&prmd=ivns&tbm=isch&tbo=u&source=univ&sa=X&ei=0WdfTueaFpCrsAKq5qUH&sqi=2&ved=0CC0QsAQ

Warmer grey and tonnnnnnns of artwork on that one bare wall.

i have the same brown/yellow color on my walls. i painted one of my walls in the bedroom Hope Chest by Better Homes. I LOVE IT! Visit, http://stage.dutchboy.com/bhg/pdfs/CS2Neutrals16.pdf, and it is 4 rows down, 4 over!