Based on your description of a color palette that is military-themed, cute, dull, and not colorful, here is a suitable palette:

json
{
  "palette_name": "Muted Military Cuteness",
  "colors": [
    {
      "name": "Olive Drab",
      "hex_code": "
          
          #6B8E23
       "
    },
    {
      "name": "Desert Sand",
      "hex_code": "
          
          #EDC9AF
       "
    },
    {
      "name": "Slate Gray",
      "hex_code": "
          
          #708090
       "
    },
    {
      "name": "Khaki",
      "hex_code": "
          
          #C3B091
       "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #D6A8A1
       "
    }
  ]
}

This palette features muted and earthy tones, incorporating military colors with a cute twist, resulting in a dull yet charming aesthetic.

Would you like to explore more about color combinations or how to use this palette in a specific project?