I would probably go with just one accent colour, most likely yellow or coral.

any of the colors you mentioned would work. look for pillows in the accent color that also have some gray to tie it to the sofa. homegoods and tj maxx usually have a good selection. bring a few home to try, return the ones that don't work.

Thank you for your suggestions everyone ! I appreciate it

I think pale blue goes so well with grey, especially if it has a hint of gray to the shade. You seem to be leaning towards more feminine colors though so I would suggest a lavender shade. As long as you don't go too dark with the paint you will be fine as the sofa is not hard to match.

Shaniquajones yes I did want a more feminine color but the pale blue is a good idea thank you!

I think purple could be a neat accent color.. You can mix in some darker purples for the colder months and light purples for spring/summer. Plus it's easy to find fresh flowers to put on the coffee table in a purple hue!

orange!!

This and paint your walls the color of the sofas.

I would not paint your walls the same color as your sofas, it will just disappear. Add some lively colors with solids and prints;)

You could paint the walls the same gray as your sofa if you like walking into a cave. That would be some dark room, particularly because you don't mention that you have windows!!
Gray and blues, soft yellows, pinks and greens, all classic. Gray is a neutral so you can choose any color you like and it will look great! Are you drawn to any of the colors you mentioned? What colors have you used in adjacent rooms?
If you post more pictures we can offer a bit more direction.

Buy a very large painting with bright colors for over the couch. then pick one color out ...say turq or chartreuse and buy a piece of sculpture or an object in that color

Sounds like all of those colors are some favorites. I would integrate some if not all, depending on what items you will use them. Some items will be larger, so pick your favorite ones for the larger items. Smaller items can have some of the other colors. All those colors will work with the sofa. I think I would paint a soft buttery cream yellow on the walls. It would be a great backing for the sofa and works well with all the other color accents.

I'm actually not quite sure what my living room will look like I am moving into a new apartment and haven't seen the layout. I just wanted to start brainstorming on what I could do with the living room decorating. I really appreciate all of your comments. I was leanin more towards purples and pinks but wasn't quite sure.

Purples and pinks with the gray will look great. Very chic. The sofa against a lighter wall and use the purple as accents with small pops of pink. Let us know if you need help finding items, rugs, lamps, etc. We're great bargain hunters!

Maguire thank you I appreciate it I loved the pictures you attached as well!

How about Tiffany blue?

Vc1234 yeah that is really nice! That's another beautiful color I will consider thank you!

I am loving peacock blue with grey! So classy!

Vkilpatrick I didn't even think about that color I like that idea a lot and would be awesome to incorporate it since my wedding was peacock theme it would be cute and a little reminder for me of my wedding thanks for the idea!

Pick one accent colo. Yellow lime green, turquoise all work.

I love the idea of peacock with this dark grey, replace a pillow or 2 from your pic with ones that have small peacock color detail to tie the accent furniture together. Also - where did you buy this amazing couch? I love it!

Awe! So sweet about your wedding!
Don't know if you sew, but fabric.com is an awesome place to order fabric. Love this one.
https://www.fabric.com/buy/0276379/p-kaufmann-ladbroke-circles-peacock

hey, why not a wall of tiles to create interest? figure out a budget, have an area with tile and then match the beautiful simple sofa with white wood flooring:) it will be pretty and elegant!

Nkp3 thank you!! I got it at Ashley's furniture store

Lauren beyda that sounds beautiful but I'm actually moving into an apartment so I didn't want to spend to much on paint or anything because it's for a short time but I definitely love that idea

Vkilpatrick I actually don't know how to see but was thinking of taking a class thanx fort he info!