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?