Here is a monochrome cold palette with shades of white and gray:

json
{
  "palette_name": "Monochrome Cold White Palette",
  "colors": [
    {
      "name": "Snow White",
      "hex_code": "
          
          #FFFAFA
       "
    },
    {
      "name": "Ghost White",
      "hex_code": "
          
          #F8F8FF
       "
    },
    {
      "name": "Alice Blue",
      "hex_code": "
          
          #F0F8FF
       "
    },
    {
      "name": "Floral White",
      "hex_code": "
          
          #FFFAF0
       "
    },
    {
      "name": "White Smoke",
      "hex_code": "
          
          #F5F5F5
       "
    },
    {
      "name": "Gainsboro",
      "hex_code": "
          
          #DCDCDC
       "
    },
    {
      "name": "Light Gray",
      "hex_code": "
          
          #D3D3D3
       "
    },
    {
      "name": "Silver",
      "hex_code": "
          
          #C0C0C0
       "
    },
    {
      "name": "Dark Gray",
      "hex_code": "
          
          #A9A9A9
       "
    }
  ]
}

This palette offers a range of cold, monochromatic shades primarily in white and gray, creating a serene and minimalist aesthetic.

Would you like to explore additional color palettes or any specific combinations?