`Everyone can play color in any price range,” textile designer Jack Lenor Larsen says. But color can be tricky. Too many colors may make a room appear disorganized. A colorless room can look austere.

The Basics of Seasonal Color: How Hue, Value, and Chroma Shape What We Wear Color is often treated like a final detail—something we tweak at the end of a shopping trip or use to “add interest.” But ...