Here is a color palette inspired by the Indus Valley civilization, reflecting the natural materials and colors that were prevalent during that time.

json
{
  "palette_name": "Indus Valley Civilization",
  "colors": [
    {
      "name": "Terracotta",
      "hex_code": "
                            
                            #C75B29
                        "
    },
    {
      "name": "River Blue",
      "hex_code": "
                            
                            #3C8A99
                        "
    },
    {
      "name": "Sandstone",
      "hex_code": "
                            
                            #E4B169
                        "
    },
    {
      "name": "Charcoal Black",
      "hex_code": "
                            
                            #2A2A2A
                        "
    },
    {
      "name": "Dusty Olive",
      "hex_code": "
                            
                            #4E5B31
                        "
    }
  ]
}

This palette captures the earthy tones and natural colors that were prevalent in the art and architecture of the Indus Valley civilization, including the use of terracotta, blues from the rivers, and the earthy tones of the surrounding landscape.

Would you like to know more about the historical significance of any particular color or how these colors were used in their artifacts?