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mmilos A light smokey blue color.

creeser Or if you wanted to keep it all light, maybe something like Benjamin Moore's Revere Pewter with white bedding and flowy white curtains.
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kinceli A celery green with red & black accents; or a burnt coral with blue and cream accents

kinceli Accents being throws, pillows, curtains, etc

michigammemom Here's an example of a similarly colored and patterned headboard with walls painted to match the gray in the fabric. Love the restful look.

judyg A deeper color than the bed, depending on your style….raspberry, mustard, black, etc.

Michele Holop no, keep it neutral and light, Pewter

simplify52 Revere Pewter! Love the bed!!

anitajoyce A beige or tan color.

Sandra Alger, CID, Fresh Ideas by Sandy Agree, keep it neutral and light Collingwood or Shale is another color...and white bedding.. Bed is Georgous!!

victorianbungalowranch I think you could go with almost any soft or bright color, depending on how dramatic you want to be, or at least have some colorful accents.