Here is a single color palette inspired by autumn, featuring 6 colors:

1. Color Name: Russet
   Hex Code: 
          
          #80461B
       
   Palette Description: This warm, earthy brown shade resembles the color of fallen leaves during the autumn season. It adds a cozy and natural touch to any design.

2. Color Name: Pumpkin
   Hex Code: 
          
          #E66E14
       
   Palette Description: This vibrant orange hue brings to mind the ripe pumpkins that are commonly associated with autumn. It exudes energy, warmth, and a touch of playfulness.

3. Color Name: Mustard
   Hex Code: 
          
          #FFC300
       
   Palette Description: This rich, golden yellow shade reminiscent of mustard seeds adds a touch of brightness and warmth to the palette. It represents the harvest season and adds a pop of color.

4. Color Name: Olive
   Hex Code: 
          
          #808000
       
   Palette Description: This muted green shade resembles the color of olive trees during autumn. It adds a natural and earthy element to the palette, symbolizing growth and abundance.

5. Color Name: Wine
   Hex Code: 
          
          #800020
       
   Palette Description: This deep, dark red shade evokes the color of red wine, which is often associated with cozy evenings and gatherings during autumn. It adds a touch of sophistication and elegance.

6. Color Name: Plum
   Hex Code: 
          
          #8E4585
       
   Palette Description: This rich, deep purple shade captures the essence of ripe plums in autumn. It adds depth, mystery, and a touch of luxury to the palette.

Overall, this autumn-inspired color palette combines warm earth tones, vibrant oranges, and deep purples to create a harmonious and cozy visual representation of the season.