The home of Olivia Hart is California cool personified-an effortlessly chic space that embodies the ethos of midcent-century modern style married to easy-going vibes and an understated luxe sense. For Olivia, creatively directing her fashion label Valo, which employs daring cuts and colorful prints, bold design is old hat. But here is a home with a divergent ideology: calm, serene, and timeless.