Here is a color palette based on the colors extracted from the image:

json
{
  "palette_name": "Serene Blues and Grays",
  "colors": [
    {
      "name": "Light Gray",
      "hex_code": "
          
          #F0F0F0
       "
    },
    {
      "name": "Dark Gray",
      "hex_code": "
          
          #303030
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #6090F0
       "
    },
    {
      "name": "Mint Green",
      "hex_code": "
          
          #60F090
       "
    },
    {
      "name": "Soft Blue",
      "hex_code": "
          
          #90C0F0
       "
    }
  ]
}

This palette features a harmonious blend of light and dark grays complemented by calming shades of blue and green, creating a serene and cohesive look. Would you like suggestions on how to use this palette in design projects?