Here is a color palette based on your request for complementary colors for off white, terracotta, and chocolate brown.

json
{
  "palette_name": "Warm Earth Tones",
  "colors": [
    {
      "name": "Off White",
      "hex_code": "
          
          #F8F8F2
       "
    },
    {
      "name": "Terracotta",
      "hex_code": "
          
          #D76B30
       "
    },
    {
      "name": "Chocolate Brown",
      "hex_code": "
          
          #4E3B31
       "
    },
    {
      "name": "Soft Blue",
      "hex_code": "
          
          #A4C8E1
       "
    },
    {
      "name": "Sage Green",
      "hex_code": "
          
          #B7C9A9
       "
    },
    {
      "name": "Dusty Rose",
      "hex_code": "
          
          #D09C98
       "
    }
  ]
}

This palette includes soft blue and sage green as complementary colors that harmonize well with the warmth of off white, terracotta, and chocolate brown, along with a dusty rose to add a subtle touch of color.

What would you like to do next? Would you like suggestions on how to use this palette in design?