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?