Here is the updated color palette with the last four colors removed:

json
{
  "palette_name": "Earthy Elegance",
  "colors": [
    {
      "name": "Deep Maroon",
      "hex_code": "
                            
                            #664040
                        "
    },
    {
      "name": "Soft Blush",
      "hex_code": "
                            
                            #ccb4a4
                        "
    },
    {
      "name": "Creamy White",
      "hex_code": "
                            
                            #E9DDCA
                        "
    },
    {
      "name": "Muted Olive",
      "hex_code": "
                            
                            #C7A786
                        "
    },
    {
      "name": "Warm Taupe",
      "hex_code": "
                            
                            #9a796a
                        "
    }
  ]
}

This revised palette still maintains an earthy and elegant feel with its focus on deeper, warmer tones. Would you like to make any further adjustments or explore how to apply this palette in design?