Here is the generated color palette based on your query:

json
{
  "palette_name": "GHW Fandom Wiki Dark Mode",
  "colors": [
    {
      "name": "Amethyst",
      "hex_code": "
                            
                            #7F2FA3
                        "
    },
    {
      "name": "Periwinkle Blue",
      "hex_code": "
                            
                            #4F78D3
                        "
    },
    {
      "name": "Teal Blue",
      "hex_code": "
                            
                            #2A96A5
                        "
    },
    {
      "name": "Royal Purple",
      "hex_code": "
                            
                            #6E3E99
                        "
    },
    {
      "name": "Iris Purple",
      "hex_code": "
                            
                            #8A5DC2
                        "
    },
    {
      "name": "Cerulean",
      "hex_code": "
                            
                            #3A7ABF
                        "
    },
    {
      "name": "Soft Teal",
      "hex_code": "
                            
                            #AEECE4
                        "
    }
  ]
}

This palette features vibrant colors suitable for a dark mode theme, providing a mix of purples, blues, and teals that can create an engaging and visually appealing user interface for the GHW Fandom Wiki.

Would you like any additional information or help with something else?