The style favors well-worn finishes and easygoing layers that only look better with time. Mix quilts, checks, and weathered wood for a nostalgic look that's warm but not stuffy.
11 Gray Bedroom Ideas to Inspire Your Tranquil Sanctuary
"Gray is one of those versatile power colors," Schlegelmilch says. "There's a sophistication to the color gray, yet it can allow a space to feel enveloped and cozy if you select a gray with a warmer undertone."