Here’s a color palette based on your specifications for a GHW Fandom wiki dark mode theme:

json
{
  "palette_name": "GHW Fandom Wiki Dark Mode",
  "colors": [
    {
      "name": "Article Background",
      "hex_code": "
          
          #120A1C
       "
    },
    {
      "name": "Accent Color",
      "hex_code": "
          
          #B388FF
       "
    },
    {
      "name": "Sticky Nav",
      "hex_code": "
          
          #283593
       "
    },
    {
      "name": "Link Color",
      "hex_code": "
          
          #BBDEFB
       "
    },
    {
      "name": "Community Background",
      "hex_code": "
          
          #1C142B
       "
    },
    {
      "name": "Community Text",
      "hex_code": "
          
          #D1C4E9
       "
    },
    {
      "name": "Community Header",
      "hex_code": "
          
          #673AB7
       "
    }
  ]
}

This palette includes a rich dark background with vibrant accents to enhance readability and aesthetics in a dark mode setting. Would you like to customize any specific colors further or need assistance with anything else?