Based on your description, here’s a color palette that complements the earthy tones of your rug, the natural wood colors in your living room, and adds a pop of color for your throw pillows and blankets.

 <Earthy Elegance> 
1. Olive Green - 
          
          #4A6A4A
        - A muted, earthy green that harmonizes with the natural elements in your living room while reflecting the tones in your rug.
2. Burnt Orange - 
          
          #D95B30
        - A warm, vibrant burnt orange that brings energy and complements the existing rug colors.
3. Soft Beige - 
          
          #D8C4A3
        - A soft, neutral beige that adds warmth and balances the darker elements of your couch and walls.
4. Teal - 
          
          #006D6E
        - A rich teal that adds a refreshing pop of color, echoing the tones in your area rug and providing contrast against the grey couch.
5. Warm Gray - 
          
          #AFAFAF
        - A warm gray that ties in nicely with your dark grey couch and grey/white walls, providing a cohesive backdrop for the other colors.

This palette creates a cozy and inviting atmosphere while allowing for visual interest through the pops of color.

Would you like to see more color options, or do you need help with a specific arrangement or design idea for your pillows and blankets?