I think light to medium gray would work. Like you, I enjoy bolder colors and would love to see the pieces above done in a pale lemon lime green. Since you mentioned shabby chic I might also suggest a somewhat distressed finish similar to the photo included

What color is the bedding? That should be the main factor influencing the paint color. Grey should help neutralize the peachy tones, just keep away from blue tones as this will bring it out.

Pink and moss go together really nice. Either a victorian pale sage or a rich army green. (for resale purposes I'd advise sage-y grey)

Thank You all for the advice and pics. My original photos weren’t taken in the best of light. The room is actually a vivid Apple green; very similar to the last photo listed in the suggestions. So perhaps I’m on the right track with my paint color and just need help accessorizing. The current bedding is a green, aqua and yellow paisley matelasse coverlet with an additional solid coverlet at the bottom of the bed (rotate between aqua and solid white.

Maybe the apple green is too stark for the salmon/peach. Try a pale olive?