Color Palette:

1. Color Name: Chestnut Brown
   Hex Code: 
          
          #964B00
       
   Palette Description: A warm and rich brown color reminiscent of autumn leaves.

2. Color Name: Rusty Orange
   Hex Code: 
          
          #D2691E
       
   Palette Description: A deep and earthy orange hue, resembling the color of rusted leaves.

3. Color Name: Burnt Sienna
   Hex Code: 
          
          #E97451
       
   Palette Description: A reddish-brown shade inspired by the vibrant hues of autumn foliage.

4. Color Name: Goldenrod
   Hex Code: 
          
          #DAA520
       
   Palette Description: A bright and lively yellow shade, reminiscent of golden fields in the fall.

5. Color Name: Olive Green
   Hex Code: 
          
          #556B2F
       
   Palette Description: A rich and earthy green color resembling the foliage of olive trees during autumn.

6. Color Name: Mahogany
   Hex Code: 
          
          #C04000
       
   Palette Description: A deep and dark reddish-brown color, reminiscent of mahogany wood and autumnal warmth.

Note: This monochrome color palette incorporates shades of brown, orange, yellow, and green, capturing the essence of autumn in its warm and earthy tones.