An autumn living room should feel like late-afternoon light through changing leaves — warm, low, and easy to settle into. This palette leads with a warm rust on a single wall or fireplace surround, the color of dried maple and old brick. It is rich without being loud.
The rest of the walls stay in a soft cream so the rust has somewhere to breathe, and that same cream carries up to the trim. Olive comes in through a sofa, throw pillows, or a reading chair, cooling the warm tones just enough to keep them from feeling sleepy.
Deep brown grounds everything through wood floors, a coffee table, or built-in shelves, and a touch of charcoal on a lamp base or frame gives the eye a place to land. Lead with cream, let rust glow, and keep charcoal small.