Here is the refined color palette with a slightly lighter shade of Sienna:

json
{
  "palette_name": "Coffee and Earthy Tones",
  "colors": [
    {
      "name": "Coffee Brown",
      "hex_code": "
                            
                            #6F4E37
                        "
    },
    {
      "name": "Sienna",
      "hex_code": "
                            
                            #A0522D
                        "
    },
    {
      "name": "Tan",
      "hex_code": "
                            
                            #D2B48C
                        "
    }
  ]
}

Palette Description:

The palette retains the original “Coffee and Earthy Tones,” featuring Coffee Brown, Sienna, and Tan. This combination provides a rich, warm feel, with Coffee Brown offering depth, Sienna adding a touch of warmth, and Tan providing a soft contrast. The palette is perfect for creating cozy and inviting spaces while maintaining an earthy aesthetic.

Would you like to make any further adjustments or try a different palette altogether?