Hi,

I think something like the photos I've attached below would work nicely!

Ballroom Teal, Gray And Brown King 11-Piece Comforter Bed In A Bag Set · More Info

Emma Frances "Dainty Shoots" Gray Teal Woven Duvet Cover, Queen, 88"x88" · More Info

JLA Ink+Ivy Sierra 3-Piece Cotton Duvet Cover Mini Set, Green, Full/Queen · More Info

Madison Park Nisha 6 Piece Quilted Coverlet Set · More Info

Carina 6-8 Piece Complete Comforter Set in Turquoise · More Info

I think throwing in the light green that you see in 3rd and 4th photos would be a smart thing to do.

It will help brighten up the room and make it feel more fresh and lively, especially since you have a darker floor, dark dresser and darker gray walls.

Also introduce another color to help selecting decorative accessories easier (such as lamps, area rugs, etc.).

Hope this helped!

Have fun and good luck!