diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
index e6d4ffe6f7b..9c977346010 100644
--- a/htdocs/admin/agenda_extsites.php
+++ b/htdocs/admin/agenda_extsites.php
@@ -45,7 +45,7 @@ if (empty($conf->global->AGENDA_EXT_NB)) $conf->global->AGENDA_EXT_NB=5;
 $MAXAGENDA=empty($conf->global->AGENDA_EXT_NB)?5:$conf->global->AGENDA_EXT_NB;
 
 // List of aviable colors
-$colorlist=array('BECEDD','DDBECE','BFDDBE','F598B4','F68654','CBF654','9FAF9');
+$colorlist=array('BECEDD','DDBECE','BFDDBE','F598B4','F68654','CBF654','A4A4A5');
 
 /*
  * Actions