This breezy powder room might remind you of a coastal cottage, but its design—by Dale Hubbard, Anna Slowey, and Rory Bilocerkowycz of Surround Architecture, with accessories by designer Lindy Williams of Westward Foundry—was inspired by its location in Boulder’s Geneva Park neighborhood. Its encaustic cement-tile floor (Sabine Hill’s Lace pattern) “takes cues from nearby blue-gray boulders,” Slowey says, while its wood paneling nods to the board-and-batten siding used on many local century-old homes. Against that crisp backdrop stands a Russian-oak vanity, set aglow by Cedar & Moss’ blue Terra pendant light. The key to the look? “A balance of bright and airy finishes with textural and organic materials,” Hubbard says. In other words: Honor the past, but make it fresh.