Douglas-fir tongue-and-groove paneling spans the guesthouse den, wearing Benjamin Moore’s Fairview Taupe stain. A mixed-media piece by Alabama artist Xander Booker presides over a leather-tufted sofa and rustic end table, both by Four Hands, as well as Roost velvet pillows. The drum table and ombré glass lamp are by Arteriors. Surya’s recycled-silk Vibe rug provides soft texture underfoot.