Here is a single color palette for autumn:

1. Color Name: Rustic Red
   Hex Code: 
                            
                            #B0413E
                        
   Palette Description: This warm and earthy red shade resembles the changing leaves during autumn, evoking a sense of coziness and nostalgia.

2. Color Name: Pumpkin Spice
   Hex Code: 
                            
                            #E65F17
                        
   Palette Description: This vibrant orange hue represents the iconic pumpkin spice flavor often associated with autumn, bringing a touch of energy and warmth to any palette.

3. Color Name: Golden Harvest
   Hex Code: 
                            
                            #D4A24B
                        
   Palette Description: This rich and lustrous gold shade symbolizes the bountiful harvest of autumn, exuding a sense of abundance and opulence.

4. Color Name: Falling Leaves
   Hex Code: 
                            
                            #9E6A3C
                        
   Palette Description: This deep brown color mimics the hues of leaves as they fall from the trees, adding a sense of grounding and natural beauty to the palette.

5. Color Name: Autumn Glow
   Hex Code: 
                            
                            #F6C15E
                        
   Palette Description: This warm and radiant yellow shade captures the soft glow of the autumn sun, creating a cheerful and uplifting atmosphere.

6. Color Name: Cozy Taupe
   Hex Code: 
                            
                            #8D817B
                        
   Palette Description: This muted and comforting taupe shade embodies the essence of coziness during autumn, providing a neutral and versatile base for the palette.

This autumn color palette incorporates warm and earthy tones inspired by the changing season, allowing for a harmonious and visually pleasing composition.