Here’s an updated earthy color palette with darker shades while maintaining the same hues, focusing around a deeper Chestnut Brown:

json
{
  "palette_name": "Deep Earthy Tones",
  "colors": [
    {
      "name": "Dark Chestnut Brown",
      "hex_code": "
                            
                            #5B3A29
                        "
    },
    {
      "name": "Muted Grayish Brown",
      "hex_code": "
                            
                            #A18C7E
                        "
    },
    {
      "name": "Deep Olive Green",
      "hex_code": "
                            
                            #4A4A2D
                        "
    },
    {
      "name": "Warm Terracotta",
      "hex_code": "
                            
                            #C05A3E
                        "
    },
    {
      "name": "Dusty Sage Green",
      "hex_code": "
                            
                            #8FAF95
                        "
    }
  ]
}

In this palette, the “Dark Chestnut Brown” serves as the anchor, while the other colors maintain their original hues but with deeper, more saturated shades for a richer feel.

Would you like to explore further adjustments or perhaps different themes?