diff --git a/conf/tmux.conf b/conf/tmux.conf
index d5396262..bf3099db 100644
--- a/conf/tmux.conf
+++ b/conf/tmux.conf
@@ -42,3 +42,6 @@ setw -g aggressive-resize on
 set -g escape-time 300
 # Or for tmux >= 2.6
 set -sg escape-time 300
+
+# turn clock green
+setw -g clock-mode-colour green