diff --git a/themes/engine/plymouth.nix b/themes/engine/plymouth.nix
index 8d72a62..3ed8b6e 100644
--- a/themes/engine/plymouth.nix
+++ b/themes/engine/plymouth.nix
@@ -1,6 +1,37 @@
 { config, pkgs, lib, ... }:
 
 let
+  nomarchyLib = import ../../lib { inherit lib; };
+  palette = nomarchyLib.getPalette config.nomarchy.system.theme;
+
+  # Plymouth's Window.SetBackgroundTopColor takes three floats in 0.0–1.0;
+  # the .plymouth metadata's ConsoleLogBackgroundColor takes a 0xRRGGBB
+  # hex. Compute both from palette.base00 so the boot splash matches the
+  # rest of the active theme instead of staying frozen on the hardcoded
+  # Tokyo-Night-ish #1a1b26 it used to ship with.
+  hex = palette.base00;
+  rByte = lib.fromHexString (lib.substring 0 2 hex);
+  gByte = lib.fromHexString (lib.substring 2 2 hex);
+  bByte = lib.fromHexString (lib.substring 4 2 hex);
+
+  # byte → "0.XXX" decimal string. Nix has no floating-point math, so
+  # multiply first, integer-divide, then format. Plymouth tolerates more
+  # decimals than this (0.1019 etc.) but three digits matches the visual
+  # precision Plymouth renders at and keeps the substitution readable.
+  byteToFloat = n:
+    let
+      thousandths = (n * 1000) / 255;
+      s = toString thousandths;
+      padded =
+        if lib.stringLength s == 1 then "00${s}"
+        else if lib.stringLength s == 2 then "0${s}"
+        else s;
+    in "0.${padded}";
+
+  bgR = byteToFloat rByte;
+  bgG = byteToFloat gByte;
+  bgB = byteToFloat bByte;
+
   nomarchy-plymouth = pkgs.stdenv.mkDerivation {
     pname = "nomarchy-plymouth";
     version = "1.0";
@@ -10,8 +41,21 @@ let
     installPhase = ''
       mkdir -p $out/share/plymouth/themes/nomarchy
       cp * $out/share/plymouth/themes/nomarchy/
+
       # Fix path in the plymouth file to point to the nix store
-      sed -i "s|/[a-z]*/share/plymouth/themes/nomarchy|$out/share/plymouth/themes/nomarchy|g" $out/share/plymouth/themes/nomarchy/nomarchy.plymouth
+      sed -i "s|/[a-z]*/share/plymouth/themes/nomarchy|$out/share/plymouth/themes/nomarchy|g" \
+        $out/share/plymouth/themes/nomarchy/nomarchy.plymouth
+
+      # Substitute the active theme's base00 in both the .script (RGB
+      # floats for the Window.SetBackground* calls) and the .plymouth
+      # metadata (0xRRGGBB for ConsoleLogBackgroundColor).
+      sed -i \
+        -e 's|@BG_R@|${bgR}|g' \
+        -e 's|@BG_G@|${bgG}|g' \
+        -e 's|@BG_B@|${bgB}|g' \
+        $out/share/plymouth/themes/nomarchy/nomarchy.script
+      sed -i 's|@BG_HEX@|${hex}|g' \
+        $out/share/plymouth/themes/nomarchy/nomarchy.plymouth
     '';
   };
 in
diff --git a/themes/engine/plymouth/nomarchy.plymouth b/themes/engine/plymouth/nomarchy.plymouth
index c082755..4ade91c 100644
--- a/themes/engine/plymouth/nomarchy.plymouth
+++ b/themes/engine/plymouth/nomarchy.plymouth
@@ -6,6 +6,6 @@ ModuleName=script
 [script]
 ImageDir=/usr/share/plymouth/themes/nomarchy
 ScriptFile=/usr/share/plymouth/themes/nomarchy/nomarchy.script
-ConsoleLogBackgroundColor=0x1a1b26
+ConsoleLogBackgroundColor=0x@BG_HEX@
 MonospaceFont=Cantarell 11
 Font=Cantarell 11
diff --git a/themes/engine/plymouth/nomarchy.script b/themes/engine/plymouth/nomarchy.script
index d012882..216dac9 100644
--- a/themes/engine/plymouth/nomarchy.script
+++ b/themes/engine/plymouth/nomarchy.script
@@ -1,7 +1,7 @@
 # Nomarchy Plymouth Theme Script
 
-Window.SetBackgroundTopColor(0.101, 0.105, 0.149);
-Window.SetBackgroundBottomColor(0.101, 0.105,  0.149);
+Window.SetBackgroundTopColor(@BG_R@, @BG_G@, @BG_B@);
+Window.SetBackgroundBottomColor(@BG_R@, @BG_G@, @BG_B@);
 
 logo.image = Image("logo.png");