diff --git a/gtk/resources/theme/Adwaita/_common.scss b/gtk/resources/theme/Adwaita/_common.scss
index 3f1e95ed7e..f80b57853f 100644
--- a/gtk/resources/theme/Adwaita/_common.scss
+++ b/gtk/resources/theme/Adwaita/_common.scss
@@ -131,6 +131,10 @@ GtkLabel {
   }
 }
 
+.dim-label {
+  color: gtkalpha(currentColor, 0.55);
+}
+
 /*********************
  * Spinner Animation *
  *********************/
diff --git a/gtk/resources/theme/Adwaita/gtk-contained-dark.css b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
index 8774f8278f..98b7e1733c 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained-dark.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained-dark.css
@@ -108,6 +108,9 @@
   border: 1px solid #215d9c;
   background-color: rgba(33, 93, 156, 0.2); }
 
+.dim-label {
+  color: alpha(currentColor,0.55); }
+
 /*********************
  * Spinner Animation *
  *********************/
diff --git a/gtk/resources/theme/Adwaita/gtk-contained.css b/gtk/resources/theme/Adwaita/gtk-contained.css
index 6ab4a23367..6d833e73ba 100644
--- a/gtk/resources/theme/Adwaita/gtk-contained.css
+++ b/gtk/resources/theme/Adwaita/gtk-contained.css
@@ -108,6 +108,9 @@
   border: 1px solid #4a90d9;
   background-color: rgba(74, 144, 217, 0.2); }
 
+.dim-label {
+  color: alpha(currentColor,0.55); }
+
 /*********************
  * Spinner Animation *
  *********************/