Here’s the updated color palette with the first color replaced by a matching pastel brown shade:

json
{
  "palette_name": "Beautiful Pastel Brown Variations",
  "colors": [
    {
      "name": "Pastel Sand",
      "hex_code": "
                            
                            #D8C4A0
                        "
    },
    {
      "name": "Tan",
      "hex_code": "
                            
                            #D2B48C
                        "
    },
    {
      "name": "Caramel Brown",
      "hex_code": "
                            
                            #C69C6D
                        "
    },
    {
      "name": "Chestnut Brown",
      "hex_code": "
                            
                            #7B4B3A
                        "
    },
    {
      "name": "Pastel Cocoa",
      "hex_code": "
                            
                            #BFA6A0
                        "
    },
    {
      "name": "Darker Pastel Brown",
      "hex_code": "
                            
                            #A88F7A
                        "
    },
    {
      "name": "Rich Dark Brown",
      "hex_code": "
                            
                            #3B2A1A
                        "
    },
    {
      "name": "Very Light Tan",
      "hex_code": "
                            
                            #FAEBD7
                        "
    },
    {
      "name": "Rosy Brown",
      "hex_code": "
                            
                            #BC8F8F
                        "
    },
    {
      "name": "Dark Goldenrod",
      "hex_code": "
                            
                            #B8860B
                        "
    }
  ]
}

Color Names and Codes:

• Pastel Sand: #D8C4A0
• Tan: #D2B48C
• Caramel Brown: #C69C6D
• Chestnut Brown: #7B4B3A
• Pastel Cocoa: #BFA6A0
• Darker Pastel Brown: #A88F7A
• Rich Dark Brown: #3B2A1A
• Very Light Tan: #FAEBD7
• Rosy Brown: #BC8F8F
• Dark Goldenrod: #B8860B

“Pastel Sand” has been added as the new first color, offering a soft pastel brownish tone that harmonizes beautifully with the other shades.

Would you like any further adjustments or assistance?