Based on your query for a color palette inspired by “de plomb intense à xylogravure mamba alizarine,” here is a curated color palette:

json
{
  "palette_name": "Intense Lead to Mamba Woodcut Alizarine",
  "colors": [
    {
      "name": "Intense Lead",
      "hex_code": "
                            
                            #7E7B7A
                        "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
                            
                            #4B4B4D
                        "
    },
    {
      "name": "Deep Slate",
      "hex_code": "
                            
                            #2F3C4C
                        "
    },
    {
      "name": "Mamba Alizarine",
      "hex_code": "
                            
                            #D5006D
                        "
    },
    {
      "name": "Rich Burgundy",
      "hex_code": "
                            
                            #9B1B30
                        "
    }
  ]
}

This palette transitions from the deep, muted tones of intense lead to the vibrant and striking shades of mamba alizarine, creating a dynamic and impactful color scheme.

Would you like to discuss how to use these colors in a specific design project or any other context?