Here is a fall-themed color palette with 16 colors:

json
{
  "palette_name": "Autumn Bliss",
  "colors": [
    {
      "name": "Pumpkin Orange",
      "hex_code": "
          
          #FF7518
       "
    },
    {
      "name": "Maple Red",
      "hex_code": "
          
          #A45A3D
       "
    },
    {
      "name": "Golden Yellow",
      "hex_code": "
          
          #FFD700
       "
    },
    {
      "name": "Crisp Apple",
      "hex_code": "
          
          #B88A6C
       "
    },
    {
      "name": "Rust Brown",
      "hex_code": "
          
          #8B4513
       "
    },
    {
      "name": "Burnt Sienna",
      "hex_code": "
          
          #E74C3C
       "
    },
    {
      "name": "Forest Green",
      "hex_code": "
          
          #228B22
       "
    },
    {
      "name": "Chestnut Brown",
      "hex_code": "
          
          #6B4C4A
       "
    },
    {
      "name": "Harvest Gold",
      "hex_code": "
          
          #DAA520
       "
    },
    {
      "name": "Cranberry",
      "hex_code": "
          
          #A50034
       "
    },
    {
      "name": "Amber",
      "hex_code": "
          
          #FFBF00
       "
    },
    {
      "name": "Olive Green",
      "hex_code": "
          
          #708238
       "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #DCA3A4
       "
    },
    {
      "name": "Copper",
      "hex_code": "
          
          #B87333
       "
    },
    {
      "name": "Pine Green",
      "hex_code": "
          
          #01796F
       "
    },
    {
      "name": "Charcoal",
      "hex_code": "
          
          #36454F
       "
    }
  ]
}

This palette captures the warm hues and earthy tones typically associated with the fall season. Would you like to explore any specific themes or color combinations further?