How to freshen up classic board-and-batten paneling: Paint all of it, as well as the window casings, dark gray (Porpoise by Sherwin-Williams). The rich blue of the chairs—scored at a vintage store—go beautifully with the color. “They seem grand but not stuffy or formal,” says Sonal. “We use one as the special birthday chair when cutting cake with family.” They’re paired with white plastic molded chairs from Overstock and an industrial table from RH. Instead of traditional fabric curtains, Lisa hung fringy macramé ones from RH Teen for an unexpected hit of texture. The rug is from Nourison.