<Cool Muted Earthy Split Complementary> 
1. Dusty Sage - 
                            
                            #999C96
                         - A muted green-gray that provides a subtle, earthy tone, enhancing the organic feel of the space.
2. Soft Slate Blue - 
                            
                            #7A9CBB
                         - A muted, cool blue that offers a calming contrast to Dusty Sage while maintaining an earthy quality.
3. Dusty Lavender - 
                            
                            #A69CBB
                         - A soft, muted lavender with gray undertones that adds a gentle warmth, complementing the greens and blues beautifully.
4. Warm Taupe - 
                            
                            #B7A99A
                         - A muted taupe that grounds the palette with its earthy quality, providing a neutral balance to the cooler tones.

The “Cool Muted Earthy Split Complementary” palette combines Dusty Sage with a soft slate blue and dusty lavender, creating a serene and harmonious atmosphere suitable for a tranquil living space.

Would you like assistance on how to apply these colors in your living room design, or do you have specific elements or features in mind that you want to focus on?