Here is a color palette inspired by Dutch Masters landscapes, which often feature rich, moody colors and earthy tones:

{
  "palette_name": "Dutch Masters Landscape",
  "colors": [
    {
      "name": "Deep Olive Green",
      "hex_code": "
                            
                            #4A5E3A
                        "
    },
    {
      "name": "Rich Burnt Umber",
      "hex_code": "
                            
                            #8B5B29
                        "
    },
    {
      "name": "Golden Yellow",
      "hex_code": "
                            
                            #D9B74A
                        "
    },
    {
      "name": "Soft Sky Blue",
      "hex_code": "
                            
                            #A3C7E0
                        "
    },
    {
      "name": "Dark Charcoal",
      "hex_code": "
                            
                            #3A3B3C
                        "
    }
  ]
}

This palette captures the essence of the natural landscapes depicted in Dutch Master paintings, featuring deep greens, warm browns, and muted blues.

What specific project or application do you have in mind for this color palette?