Based on your query “угольный” (which translates to “coal” in English), here is a color palette inspired by deep, dark shades reminiscent of coal:

json
{
  "palette_name": "Coal Inspired Palette",
  "colors": [
    {
      "name": "Deep Charcoal",
      "hex_code": "
                            
                            #333333
                        "
    },
    {
      "name": "Slate Black",
      "hex_code": "
                            
                            #1C1C1C
                        "
    },
    {
      "name": "Ash Gray",
      "hex_code": "
                            
                            #A8A8A8
                        "
    },
    {
      "name": "Coal Dust",
      "hex_code": "
                            
                            #4A4A4A
                        "
    },
    {
      "name": "Midnight Black",
      "hex_code": "
                            
                            #000000
                        "
    }
  ]
}

This palette features a range of dark and muted colors that evoke the essence of coal, providing a sophisticated and modern feel.

Would you like to explore how to use these colors in a design project or do you have something specific in mind?