From hard-to-find green graniteware to a family heirloom vintage bench with original green paint, it's no coincidence that rooms in Rowann and Hugh Wilkerson's Lilburn, Georgia, home all have at least one or two green accessories. "If an antique is green, it usually comes home with me," Rowann admits. Weaving a verdant pop of a favorite color throughout your interior decor is a personal signature and adds continuity to disparate spaces. Rowann offers the following tips for choosing and working with a signature color.