Here’s an updated version of your color palette “Expanded Warm Earth Tones” with a powdery, dusty light blue accent added to maintain the overall warm earth theme.

json
{
  "palette_name": "Expanded Warm Earth Tones Updated",
  "colors": [
    {
      "name": "Burnt Sienna",
      "hex_code": "
          
          #771102
       "
    },
    {
      "name": "Terracotta",
      "hex_code": "
          
          #C75B29
       "
    },
    {
      "name": "Peach Velour",
      "hex_code": "
          
          #EFAF8A
       "
    },
    {
      "name": "Sandy Beige",
      "hex_code": "
          
          #D6B48A
       "
    },
    {
      "name": "Maple Leaf",
      "hex_code": "
          
          #B24F1A
       "
    },
    {
      "name": "Deep Olive",
      "hex_code": "
          
          #4D4D29
       "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #C48A8A
       "
    },
    {
      "name": "Barbarossa",
      "hex_code": "
          
          #A44C3A
       "
    },
    {
      "name": "Walnut",
      "hex_code": "
          
          #7A3F19
       "
    },
    {
      "name": "Lonely Chocolate",
      "hex_code": "
          
          #4E0B00
       "
    },
    {
      "name": "Soft Blush",
      "hex_code": "
          
          #E2B9B9
       "
    },
    {
      "name": "Holy Cannoli",
      "hex_code": "
          
          #D4733C
       "
    },
    {
      "name": "Sugar Cookie Crust",
      "hex_code": "
          
          #E4CBAF
       "
    },
    {
      "name": "Willow Leaf",
      "hex_code": "
          
          #A3A36E
       "
    },
    {
      "name": "Gramps Shoehorn",
      "hex_code": "
          
          #A78C6D
       "
    },
    {
      "name": "Walnut",
      "hex_code": "
          
          #7A3B12
       "
    },
    {
      "name": "Graphite",
      "hex_code": "
          
          #2E2E1A
       "
    },
    {
      "name": "Starlet",
      "hex_code": "
          
          #8E5B5B
       "
    },
    {
      "name": "Dusty Light Blue",
      "hex_code": "
          
          #A4C8E1
       "
    }
  ]
}

This updated palette maintains the warmth of earth tones while adding a soft, dusty light blue to provide a refreshing contrast. Would you like to make any additional changes or explore more color options?