Here is the updated color palette with Forest Green changed to Deep Teal Green:

json
{
  "palette_name": "Dark Cool Jewel Tones",
  "colors": [
    {
      "name": "Deep Teal Green",
      "hex_code": "
          
          #008080
       "
    },
    {
      "name": "Midnight Blue",
      "hex_code": "
          
          #191970
       "
    },
    {
      "name": "Burgundy",
      "hex_code": "
          
          #800020
       "
    },
    {
      "name": "Deep Purple",
      "hex_code": "
          
          #5B2E91
       "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
          
          #36454F
       "
    }
  ]
}

This revised palette maintains the darker and cooler aesthetic while incorporating the soothing qualities of Deep Teal Green. How would you like to use this palette? Are you looking for design ideas or specific applications?