Here’s the updated color palette based on your request, while maintaining the overall theme of “Jujutsu Kaisen Cursed Energy”:

1. Cursed Energy Blue remains unchanged: #1E90FF
2. Sukuna Red has been deepened to a richer shade: #B22222
3. Hakari Green is updated to a more vibrant hue: #3CB371
4. Cursed Purple has been brightened to bring more intensity: #A020F0

Here’s the JSON object for your updated palette:

json
{
  "palette_name": "Updated Jujutsu Kaisen Cursed Energy",
  "colors": [
    {
      "name": "Cursed Energy Blue",
      "hex_code": "
          
          #1E90FF
       "
    },
    {
      "name": "Sukuna Red",
      "hex_code": "
          
          #B22222
       "
    },
    {
      "name": "Hakari Green",
      "hex_code": "
          
          #3CB371
       "
    },
    {
      "name": "Cursed Purple",
      "hex_code": "
          
          #A020F0
       "
    }
  ]
}

This updated palette retains the essence of the original while enhancing the vibrancy and richness of the colors. Would you like any further adjustments or additional colors to be included?