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

json
{
  "palette_name": "Soft Contrast",
  "colors": [
    {
      "name": "Light Gray",
      "hex_code": "
          
          #F0F0F0
       "
    },
    {
      "name": "Charcoal",
      "hex_code": "
          
          #303030
       "
    },
    {
      "name": "Sky Blue",
      "hex_code": "
          
          #6090F0
       "
    },
    {
      "name": "Mint Green",
      "hex_code": "
          
          #60F090
       "
    },
    {
      "name": "Powder Blue",
      "hex_code": "
          
          #90C0F0
       "
    }
  ]
}

This palette features a soft gray as the base color, contrasted by a deep charcoal, and complemented with calming shades of blue and green. Would you like to explore additional colors or themes for your project?