Here’s an updated color palette with the hue of Burnt Sienna shifted slightly redder, along with corresponding adjustments to the other colors for a harmonious transition:

json
{
  "palette_name": "Harmonized Mellow Tones",
  "colors": [
    {
      "name": "Dark Teal",
      "hex_code": "
                            
                            #007C7A
                        "
    },
    {
      "name": "Redder Sienna",
      "hex_code": "
                            
                            #A45A4A
                        "
    },
    {
      "name": "Muted Magenta",
      "hex_code": "
                            
                            #7E4B95
                        "
    },
    {
      "name": "Warm Olive Green",
      "hex_code": "
                            
                            #7A7E3A
                        "
    }
  ]
}

This palette maintains visual distinctiveness while shifting the hues to create a more cohesive look.

Would you like to explore more options or perhaps see how these colors would work in a specific context?