Here is the updated color palette with the requested changes while maintaining the autumn cool muted elegant theme:

json
{
  "palette_name": "Updated Autumn Elegance",
  "colors": [
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #B78A86
       "
    },
    {
      "name": "Slate Blue",
      "hex_code": "
          
          #6C8FA9
       "
    },
    {
      "name": "Olive Green",
      "hex_code": "
          
          #6E7E59
       "
    },
    {
      "name": "Burnt Sienna",
      "hex_code": "
          
          #964C2B
       "
    },
    {
      "name": "Champagne Gold",
      "hex_code": "
          
          #D8C09D
       "
    },
    {
      "name": "Golden Olive",
      "hex_code": "
          
          #D1A800
       "
    }
  ]
}

Palette Description:

The “Updated Autumn Elegance” palette retains the soft, muted tones of the original autumn theme while incorporating a vibrant touch with the addition of “Golden Olive.” This new color complements the existing shades, enhancing the overall elegance of the palette.

Would you like to make any further adjustments or explore different themes?