diff --git a/debian/changelog b/debian/changelog
index be6b46f..5cd3a08 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ desktop-base (12.0.4) UNRELEASED; urgency=medium
 
   * Add Debian swirl in circle as default profile icon for new users.
   * Add more sizes for the Emerald wallpaper. (Closes: #1027841)
+  * Improvements to emerald plymouth theme’s visuals.
 
  -- Aurélien COUDERC <coucouf@debian.org>  Sat, 18 Feb 2023 23:58:45 +0100
 
diff --git a/emerald-theme/plymouth/emerald.script b/emerald-theme/plymouth/emerald.script
index ac5becd..cd493c7 100644
--- a/emerald-theme/plymouth/emerald.script
+++ b/emerald-theme/plymouth/emerald.script
@@ -27,14 +27,14 @@
 
 
 #------------------------------- Constants -----------------------------------------
-NB_ANIM_STEPS = 70;
-NB_REFRESHS_BETWEEN_ANIMS = 1;
+NB_ANIM_STEPS = 60;
+NB_REFRESHS_BETWEEN_ANIMS = 2;
 
 # Initial position of the center of the logo in % of background
 LOGO_CENTER_PCT.x = 0.5; # Debian swirl image position in % of screen height & width
 LOGO_CENTER_PCT.y = 0.55;
 LOGO_SIZE_PCT = 0.48; # Debian + emerald image size in % of smallest screen dimension
-LOGO_GLOW_SIZE_PCT = 0.4; # Debian swirl image size in % of smallest screen dimension
+LOGO_GLOW_SIZE_PCT = 0.8; # Debian swirl image size in % of smallest screen dimension
 
 #------------------------------- Globals -------------------------------------------
 # are we currently prompting for a password?
@@ -972,7 +972,7 @@ fun update_glow_anim () {
         global.anim_iter = 0;
     }
     #DebugMedium("iter = " + global.anim_iter);
-    glow_opacity = 0.6 + 0.4 * Math.Cos(global.anim_iter / NB_ANIM_STEPS * 2 * Math.Pi);
+    glow_opacity = 0.7 + 0.3 * Math.Cos(global.anim_iter / NB_ANIM_STEPS * 2 * Math.Pi);
     #Debug("glow_opacity = " + glow_opacity);
     if (global.anim_start_time != global.progress_time && global.anim_status != "running") {
         global.anim_start_time = global.progress_time;