diff --git a/src/skins/vector/css/themes/_dark.scss b/src/skins/vector/css/themes/_dark.scss
index 51930433ea..f00578cdf6 100644
--- a/src/skins/vector/css/themes/_dark.scss
+++ b/src/skins/vector/css/themes/_dark.scss
@@ -83,7 +83,7 @@ $roomsublist-label-bg-color: #454545;
 // ********************
 
 // event tile lifecycle
-$event-encrypting-color: #abddbc;
+$event-encrypting-color: rgba(171, 221, 188, 0.4);
 $event-sending-color: #ddd;
 $event-notsent-color: #f44;