Let’s adjust the color to a lighter and more blueish teal. A good option could be “Light Teal” or “Aqua Blue.”

Here’s the updated palette with “Light Teal”:

1. Soft Blush - #E1D3D0
2. Cool Mint - #A6D3D4
3. Light Teal - #00B2A9 (new color)
4. Deep Teal - #008C8D
5. Dark Forest - #005A5A
6. Mysterious Pine - #003D3B

Here’s the revised JSON for the updated palette:

json
{
  "palette_name": "Serene Earth Tones",
  "colors": [
    {
      "name": "Soft Blush",
      "hex_code": "
                            
                            #E1D3D0
                        "
    },
    {
      "name": "Cool Mint",
      "hex_code": "
                            
                            #A6D3D4
                        "
    },
    {
      "name": "Light Teal",
      "hex_code": "
                            
                            #00B2A9
                        "
    },
    {
      "name": "Deep Teal",
      "hex_code": "
                            
                            #008C8D
                        "
    },
    {
      "name": "Dark Forest",
      "hex_code": "
                            
                            #005A5A
                        "
    },
    {
      "name": "Mysterious Pine",
      "hex_code": "
                            
                            #003D3B
                        "
    }
  ]
}

The “Light Teal” provides a lovely balance, being lighter and more blueish while maintaining harmony with the other colors in your palette. Would you like to explore any specific design ideas or elements to include in your mural using this palette?