finally caved and removed my redundant color scheme definition in the flake.nix file to use stylix's built-in color scheme definition

modules/home/environment/spicetify.nix

@@ -1,5 +1,6 @@
-{lib, config, pkgs, inputs, scheme ? {}, ... }: let
+{lib, config, pkgs, inputs, ... }: let
   spicePkgs = inputs.spicetify-nix.legacyPackages.${pkgs.system};
+  scheme = config.lib.stylix.colors;
 in {
   imports = [inputs.spicetify-nix.homeManagerModules.default];
   options = {

modules/home/environment/stylix.nix

@@ -1,4 +1,4 @@
-{lib, config, pkgs, scheme ? {}, wallpaper, ... }: {
+{lib, config, pkgs, ... }: {
   options = {
     stylixHomeConfig.enable = lib.mkEnableOption "enables my stylix Home-Manager options";
   };

modules/home/environment/waybar.nix

@@ -1,4 +1,4 @@
-{pkgs, scheme ? {}, host, lib, config, ...}:
+{pkgs, host, lib, config, ...}:
 
 let
   desktop = host == "oganesson";
@@ -22,6 +22,8 @@ let
         "eDP-1" = [1 2 3 4];
       };
   };
+
+  scheme = config.lib.stylix.colors;
   bg = {
     darkester = scheme.base00;
     darkest = scheme.base01;
@@ -435,7 +437,7 @@ in {
           }
 
           #custom-power {
-            color: #${colors.color0};
+            color: #${colors.color2};
             font-size: 18px;
           }
 
@@ -445,7 +447,7 @@ in {
           }
 
           #custom-reboot {
-            color: #${colors.color2};
+            color: #${colors.color0};
             font-size: 18px;
           }
 

modules/home/files.nix

@@ -1,10 +1,11 @@
-{pkgs, scheme, lib, self, config, ... }:
+{pkgs, lib, self, config, ... }:
 
 # This folder is for programs that do not have existing configuration modules in NixOS.
 # Basically a to-do list for stuff I need to write my own modules for.
 let
   # Custom theme that activates in ssh
   ssh_base16 = "atelier-cave";
+  def_scheme = config.lib.stylix.colors;
 
   scheme_path = "${pkgs.base16-schemes}/share/themes/${ssh_base16}.yaml";
   scheme_string = builtins.readFile scheme_path;
@@ -140,39 +141,39 @@ in
       '';
 
       ".config/kitty/default-theme.conf".text = ''
-        background #${scheme.base00}
-        foreground #${scheme.base05}
-        selection_background #${scheme.base05}
-        selection_foreground #${scheme.base00}
-        url_color #${scheme.base04}
-        cursor #${scheme.base05}
-        active_border_color #${scheme.base03}
-        inactive_border_color #${scheme.base01}
-        active_tab_background #${scheme.base00}
-        active_tab_foreground #${scheme.base05}
-        inactive_tab_background #${scheme.base01}
-        inactive_tab_foreground #${scheme.base04}
-        tab_bar_background #${scheme.base01}
+        background #${def_scheme.base00}
+        foreground #${def_scheme.base05}
+        selection_background #${def_scheme.base05}
+        selection_foreground #${def_scheme.base00}
+        url_color #${def_scheme.base04}
+        cursor #${def_scheme.base05}
+        active_border_color #${def_scheme.base03}
+        inactive_border_color #${def_scheme.base01}
+        active_tab_background #${def_scheme.base00}
+        active_tab_foreground #${def_scheme.base05}
+        inactive_tab_background #${def_scheme.base01}
+        inactive_tab_foreground #${def_scheme.base04}
+        tab_bar_background #${def_scheme.base01}
 
         # normal
-        color0 #${scheme.base01}
-        color1 #${scheme.base08}
-        color2 #${scheme.base0B}
-        color3 #${scheme.base0A}
-        color4 #${scheme.base0D}
-        color5 #${scheme.base0E}
-        color6 #${scheme.base0C}
-        color7 #${scheme.base05}
+        color0 #${def_scheme.base01}
+        color1 #${def_scheme.base08}
+        color2 #${def_scheme.base0B}
+        color3 #${def_scheme.base0A}
+        color4 #${def_scheme.base0D}
+        color5 #${def_scheme.base0E}
+        color6 #${def_scheme.base0C}
+        color7 #${def_scheme.base05}
 
         # bright
-        color8 #${scheme.base03}
-        color9 #${scheme.base09}
-        color10 #${scheme.base01}
-        color11 #${scheme.base02}
-        color12 #${scheme.base04}
-        color13 #${scheme.base06}
-        color14 #${scheme.base0F}
-        color15 #${scheme.base07}
+        color8 #${def_scheme.base03}
+        color9 #${def_scheme.base09}
+        color10 #${def_scheme.base01}
+        color11 #${def_scheme.base02}
+        color12 #${def_scheme.base04}
+        color13 #${def_scheme.base06}
+        color14 #${def_scheme.base0F}
+        color15 #${def_scheme.base07}
       '';
       ".config/kitty/ssh-theme.conf".text = ''
         background #${ssh_scheme.base00}

modules/home/programs/kitty.nix

@@ -1,4 +1,4 @@
-{lib, config, pkgs, scheme ? {}, ... }: {
+{lib, config, pkgs, ... }: {
   options = {
     kittyConfig.enable = lib.mkEnableOption "enables my kitty configuration";
   };

modules/sys/environment/stylix.nix

@@ -1,19 +1,27 @@
 {
   pkgs,
-  scheme ? {},
-  wallpaper,
+  self,
   lib,
   config,
   ...
-}: {
+}:
+
+let
+  scheme = "black-metal-venom";
+in
+{
   options = {
     stylixConfig.enable = lib.mkEnableOption "enables custom stylix options";
   };
   config = lib.mkIf config.stylixConfig.enable {
     stylix = {
       enable = true;
-      base16Scheme = scheme;
-      image = wallpaper;
+      base16Scheme = "${pkgs.base16-schemes}/share/themes/${scheme}.yaml";
+      image =  "${self}/assets/wallpapers/sleeping-blackmetal.png";
+      homeManagerIntegration = {
+        autoImport = true;
+        followSystem = true;
+      };
       polarity = "dark";
       autoEnable = true;
       opacity.terminal = 0.5;

modules/sys/software/nixvim/options.nix

@@ -1,8 +1,12 @@
 {
-  scheme ? {},
   config,
   ...
-}: {
+}:
+
+let
+  scheme = config.lib.stylix.colors;
+in
+{
   programs.nixvim = {
     colorschemes.base16 = {
       enable = true;