Here is a color palette generated based on your provided colors:

json
{
  "palette_name": "Grayscale Harmony",
  "colors": [
    {
      "name": "Charcoal Black",
      "hex_code": "
                            
                            #1C1C1C
                        "
    },
    {
      "name": "Slate Grey",
      "hex_code": "
                            
                            #3C3C3C
                        "
    },
    {
      "name": "Ash Grey",
      "hex_code": "
                            
                            #9C9C9C
                        "
    },
    {
      "name": "Light Grey",
      "hex_code": "
                            
                            #F2F2F2
                        "
    }
  ]
}

This palette, “Grayscale Harmony,” features a range of greys from charcoal to light grey, perfect for creating a sleek and modern aesthetic.

Do you have a particular use in mind for this palette, or would you like suggestions for color combinations?