{
  config,
  lib,
  inputs,
  pkgs,
  home,
  system,
  ...
}:
# system: "base16"
# name: "Gruvbox dark, hard"
# author: "Dawid Kurek (dawikur@gmail.com), morhetz (https://github.com/morhetz/gruvbox)"
# variant: "dark"
let
  cfg_hex = {
    "01" = "#1d2021"; # base00
    "02" = "#3c3836"; # base01
    "03" = "#504945"; # base02
    "04" = "#665c54"; # base03
    "05" = "#bdae93"; # base04
    "06" = "#d5c4a1"; # base05
    "07" = "#ebdbb2"; # base06
    "08" = "#fbf1c7"; # base07
    "09" = "#fb4934"; # base08 (red)
    "10" = "#fe8019"; # base09 (orange)
    "11" = "#fabd2f"; # base0A (yellow)
    "12" = "#b8bb26"; # base0B (green)
    "13" = "#8ec07c"; # base0C (aqua/cyan)
    "14" = "#83a598"; # base0D (blue)
    "15" = "#d3869b"; # base0E (purple)
    "16" = "#d65d0e"; # base0F (brown)
  };

  cfg_rgb = {
    "01" = {
      r = 29;
      g = 32;
      b = 33;
    }; # base00
    "02" = {
      r = 60;
      g = 56;
      b = 54;
    }; # base01
    "03" = {
      r = 80;
      g = 73;
      b = 69;
    }; # base02
    "04" = {
      r = 102;
      g = 92;
      b = 84;
    }; # base03
    "05" = {
      r = 189;
      g = 174;
      b = 147;
    }; # base04
    "06" = {
      r = 213;
      g = 196;
      b = 161;
    }; # base05
    "07" = {
      r = 235;
      g = 219;
      b = 178;
    }; # base06
    "08" = {
      r = 251;
      g = 241;
      b = 199;
    }; # base07
    "09" = {
      r = 251;
      g = 73;
      b = 52;
    }; # base08 (red)
    "10" = {
      r = 254;
      g = 128;
      b = 25;
    }; # base09 (orange)
    "11" = {
      r = 250;
      g = 189;
      b = 47;
    }; # base0A (yellow)
    "12" = {
      r = 184;
      g = 187;
      b = 38;
    }; # base0B (green)
    "13" = {
      r = 142;
      g = 192;
      b = 124;
    }; # base0C (aqua/cyan)
    "14" = {
      r = 131;
      g = 165;
      b = 152;
    }; # base0D (blue)
    "15" = {
      r = 211;
      g = 134;
      b = 155;
    }; # base0E (purple)
    "16" = {
      r = 214;
      g = 93;
      b = 14;
    }; # base0F (brown)
  };
in
{
  options.modules.base16 = {
    hex = lib.mkOption {
      type = lib.types.attrs;
      description = ''
        Hexadecimal color configuration for Gruvbox dark, hard Base16 theme.
      '';
      default = cfg_hex;
    };
    rgb = lib.mkOption {
      type = lib.types.attrs;
      description = ''
        RGB color configuration for Gruvbox dark, hard Base16 theme.
      '';
      default = cfg_rgb;
    };
  };

  config.modules.base16.hex = cfg_hex;
  config.modules.base16.rgb = cfg_rgb;
}