Here’s an updated color palette inspired by your original “Ryomen Sukuna” palette, while incorporating the theme of alcohol pens. The colors have been adjusted to maintain the overall theme but also bring in vibrant and rich tones often associated with alcohol-based inks.

json
{
  "palette_name": "Ryomen Sukuna - Inked Edition",
  "colors": [
    {
      "name": "Cursed Crimson",
      "hex_code": "
          
          #A00000
       "
    },
    {
      "name": "Charcoal Gray",
      "hex_code": "
          
          #444444
       "
    },
    {
      "name": "Deep Violet",
      "hex_code": "
          
          #6A2C91
       "
    },
    {
      "name": "Pale Bone",
      "hex_code": "
          
          #F2F2E8
       "
    },
    {
      "name": "Obsidian Black",
      "hex_code": "
          
          #1A1A1A
       "
    },
    {
      "name": "Ocean Blue",
      "hex_code": "
          
          #0077B3
       "
    },
    {
      "name": "Emerald Green",
      "hex_code": "
          
          #007A33
       "
    }
  ]
}

This updated palette retains the dark and intense vibe of your original palette while adding some vibrant shades that reflect the qualities of alcohol-based inks.

What do you think of these changes? Would you like to adjust any of the colors further or add new ones?