diff --git a/packages/main/src/themes/base/PopupBlockLayer-parameters.css b/packages/main/src/themes/base/PopupBlockLayer-parameters.css
index 6e21be0c8e29..3d151a673f9e 100644
--- a/packages/main/src/themes/base/PopupBlockLayer-parameters.css
+++ b/packages/main/src/themes/base/PopupBlockLayer-parameters.css
@@ -1,3 +1,3 @@
 :root {
-	--_ui5_popup_block_layer_background: color-mix(in oklch, transparent, var(--sapBlockLayer_Background) 60%);
+	--_ui5_popup_block_layer_background: color-mix(in oklch, transparent, var(--sapBlockLayer_Background) 20%);
 }