I have partial gray walls in my LR and am told it is a neutral so I guess anything goes...What style? Traditional contemporary transitional? Not sure about any of these...but different styles.

Pottery Barn has some rugs with blues and greys that would go well. I've seen the Adeline and Desa in person and like both. I think the Adeline would work well with your walls and sofa and add some color.

Overstock.com has gazillions of rugs. I'd browse around there to find a starting point, and then maybe post some options here. Then we'd have an idea of your style and color preferences, and could help narrow it down.

I like transitional and I like blue. I just don't have any ideas for the room.

These are from Overstock- maybe they'll give you some ideas? I think once you find a rug you like, you will have a direction to go in for window treatments, pillows, etc. Do you have other furniture, accessories, or art that you want to use?

• I own and love this Paisley Park rug by Allen and Roth it has great colors that go well with so many choices. It has blues and gray, it's difficult to see true colors in the pictures.

Paisley Park

This is a picture of mine but it still doesn't do it justice.

your sofa and the walls are so neutral and gray is pretty popular right now that there are probably 1,000's of rugs that could look nice... I would find one that just has a bit of gray but has other more predominant colors that you love and then choose window treatments based on the rug and it's colors...

I've bought three rugs and looked at hundreds or thousands over the last couple of months -- a lot of them blues and greys. I'd be happy to help, but until the OP comes back with some direction, I feel like we are just pulling straw from that proverbial haystack, not even sure if we are looking for a needle.

If the OP is reading, with all that grey, you really do have a ton of options. What are you favorite colors? I would pick or or two to play up in the rug. I wouldn't want grey to be the dominant color unless you want a monochromatic look. Think about colors that you would also like in a chair, sofa accent pillows or other accessories. Look for those in the rug so everything will tie together (you can usually search by color). Sometimes finding a rug you like is the thing that winds up defining the room, and I think that could be what you are looking for -- butu it has to be something that grabs you.