OMBRÉ THE ORDINARY Basic Ikea bookshelves in an entryway or other open space look luxe when you push them together for a gradient display. “Put the lightest books up top for an airy look,” says Mauri. Group the rest by color, but resist the urge to go strictly lightest to darkest. “Mixing it up makes the effect more sophisticated,” she says. Fill out the spot with some greenery and pretty vessels.