Index: sources/gui/qml/components/ModalDialog.qml
===================================================================
diff -u -rea51c0546c7061d225e7b9d8b754554c65f0d1b1 -r31617ae652a85b46756ae4046d6df0c9570a84b0
--- sources/gui/qml/components/ModalDialog.qml	(.../ModalDialog.qml)	(revision ea51c0546c7061d225e7b9d8b754554c65f0d1b1)
+++ sources/gui/qml/components/ModalDialog.qml	(.../ModalDialog.qml)	(revision 31617ae652a85b46756ae4046d6df0c9570a84b0)
@@ -35,6 +35,7 @@
     property alias  radius              : _backgroundRect.radius
     property alias  notificationText    : _notification.text
     property alias  notification        : _notification
+    property bool   lighterDimOVerlay   : false
 
     width   : Variables.dialogWidth
     height  : Variables.dialogHeight
@@ -50,10 +51,13 @@
 
     closePolicy: Dialog.NoAutoClose
     Overlay.modal : Rectangle { id : _borderRect
-        anchors.fill    : parent
+        anchors.fill        : parent
         anchors.bottomMargin:  _alarmBar.visible ? Variables.notificationHeight : 0
-        color           : "#B3000000"
 
+        // darker (60%) for main bigger dialogs and lighter (20%) for smaller headerbar dialogs
+        color               : lighterDimOVerlay ? "#33000000"  :
+                                                  "#99000000"
+
         Behavior on opacity { NumberAnimation { duration: 300} }
     }