Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -r6b8f6422c0a6f96f8e563bb6afb82a7a192142b4 -r089b1751f93a8356afef1d4b515fec83d6e53abb
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 6b8f6422c0a6f96f8e563bb6afb82a7a192142b4)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 089b1751f93a8356afef1d4b515fec83d6e53abb)
@@ -655,9 +655,9 @@
             {
                 Text = hydraulicBoundaryDatabase => RingtoetsFormsResources.HydraulicBoundaryDatabase_DisplayName,
                 Image = hydraulicBoundaryDatabase => RingtoetsCommonFormsResources.GenericInputOutputIcon,
-                ForeColor = context => context.WrappedData.HydraulicBoundaryDatabase == null
-                                           ? Color.FromKnownColor(KnownColor.GrayText)
-                                           : Color.FromKnownColor(KnownColor.ControlText),
+                ForeColor = context => context.WrappedData.HydraulicBoundaryDatabase.IsCoupled()
+                                           ? Color.FromKnownColor(KnownColor.ControlText)
+                                           : Color.FromKnownColor(KnownColor.GrayText),
                 ChildNodeObjects = HydraulicBoundaryDatabaseChildNodeObjects,
                 ContextMenuStrip = HydraulicBoundaryDatabaseContextMenuStrip
             };
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs
===================================================================
diff -u -rf8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e -r089b1751f93a8356afef1d4b515fec83d6e53abb
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs	(.../HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs)	(revision f8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/TreeNodeInfos/HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs	(.../HydraulicBoundaryDatabaseContextTreeNodeInfoTest.cs)	(revision 089b1751f93a8356afef1d4b515fec83d6e53abb)
@@ -170,7 +170,7 @@
         }
 
         [Test]
-        public void ForeColor_ContextHasNoReferenceLine_ReturnDisabledColor()
+        public void ForeColor_HydraulicBoundaryDatabaseNotCoupled_ReturnDisabledColor()
         {
             // Setup
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
@@ -179,6 +179,7 @@
             using (var plugin = new RingtoetsPlugin())
             {
                 TreeNodeInfo info = GetInfo(plugin);
+
                 // Call
                 Color color = info.ForeColor(hydraulicBoundaryDatabaseContext);
 
@@ -188,14 +189,16 @@
         }
 
         [Test]
-        public void ForeColor_ContextHasReferenceLineData_ReturnControlText()
+        public void ForeColor_HydraulicBoundaryDatabaseCoupled_ReturnEnabledColor()
         {
             // Setup
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike)
             {
-                HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase()
+                HydraulicBoundaryDatabase =
+                {
+                    FilePath = "databaseFile"
+                }
             };
-
             var hydraulicBoundaryDatabaseContext = new HydraulicBoundaryDatabaseContext(assessmentSection);
 
             using (var plugin = new RingtoetsPlugin())