Here’s a refined color palette that features more desaturated colors while maintaining contrast and visual distinctiveness:

json
{
  "palette_name": "Desaturated Contrast Quartet",
  "colors": [
    {
      "name": "Muted Teal",
      "hex_code": "
                            
                            #4F7A7A
                        "
    },
    {
      "name": "Desaturated Rust",
      "hex_code": "
                            
                            #C77A5C
                        "
    },
    {
      "name": "Soft Mauve",
      "hex_code": "
                            
                            #A76E9E
                        "
    },
    {
      "name": "Dusty Charcoal",
      "hex_code": "
                            
                            #6B6E6F
                        "
    }
  ]
}

This palette features muted and desaturated tones that maintain a strong level of contrast while ensuring visual distinctiveness. The colors blend well together, creating a sophisticated and modern aesthetic.

Would you like more variations or perhaps suggestions on how to implement this palette in your design?