diff --git a/src/Mod/Assembly/Gui/ViewProviderConstraint.cpp b/src/Mod/Assembly/Gui/ViewProviderConstraint.cpp
index 4ea41bb4a0..bc00eb8aa4 100644
--- a/src/Mod/Assembly/Gui/ViewProviderConstraint.cpp
+++ b/src/Mod/Assembly/Gui/ViewProviderConstraint.cpp
@@ -43,13 +43,13 @@ ViewProviderConstraintInternal::ViewProviderConstraintInternal()
 {
     //constraint entiti color
     ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
-    unsigned long scol = hGrp->GetUnsigned("ConstructionColor", 421075455UL); // dark grey (25,25,25)
+    unsigned long scol = hGrp->GetUnsigned("ConstructionColor", 56319UL); 
     float r, g, b;
     r = ((scol >> 24) & 0xff) / 255.0;
     g = ((scol >> 16) & 0xff) / 255.0;
     b = ((scol >> 8) & 0xff) / 255.0;
 
-    long unsigned ccol = hGrp->GetUnsigned("FullyConstrainedColor", 421075455UL);
+    long unsigned ccol = hGrp->GetUnsigned("FullyConstrainedColor", 16711935UL);
     float r2, g2, b2;
     r2 = ((ccol >> 24) & 0xff) / 255.0;
     g2 = ((ccol >> 16) & 0xff) / 255.0;
@@ -112,13 +112,13 @@ ViewProviderConstraint::ViewProviderConstraint() : m_selected(false)
 
     //constraint entiti color
     ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/View");
-    unsigned long scol = hGrp->GetUnsigned("ConstructionColor", 421075455UL); // dark grey (25,25,25)
+    unsigned long scol = hGrp->GetUnsigned("ConstructionColor", 56319UL); 
     float r, g, b;
     r = ((scol >> 24) & 0xff) / 255.0;
     g = ((scol >> 16) & 0xff) / 255.0;
     b = ((scol >> 8) & 0xff) / 255.0;
 
-    long unsigned ccol = hGrp->GetUnsigned("FullyConstrainedColor", 421075455UL);
+    long unsigned ccol = hGrp->GetUnsigned("FullyConstrainedColor", 16711935UL);
     float r2, g2, b2;
     r2 = ((ccol >> 24) & 0xff) / 255.0;
     g2 = ((ccol >> 16) & 0xff) / 255.0;
@@ -367,3 +367,8 @@ TopoDS_Shape ViewProviderConstraint::getConstraintShape(int link)
         return s2;
     };
 }
+
+void ViewProviderConstraint::setupContextMenu(QMenu* menu, QObject* receiver, const char* member)
+{
+    ViewProviderDocumentObject::setupContextMenu(menu, receiver, member);
+}
diff --git a/src/Mod/Assembly/Gui/ViewProviderConstraint.h b/src/Mod/Assembly/Gui/ViewProviderConstraint.h
index 9371a3f1c1..2e963bd652 100644
--- a/src/Mod/Assembly/Gui/ViewProviderConstraint.h
+++ b/src/Mod/Assembly/Gui/ViewProviderConstraint.h
@@ -83,6 +83,9 @@ public:
     //needs to be overridden as we use the modeselection node for on and off and not for
     //hide and show in the normal way
     virtual bool isShow(void) const;
+    
+    //avoid unneeded context menu entrys
+    virtual void setupContextMenu(QMenu* menu, QObject* receiver, const char* member);
 
 private:
     //we need two seperate visual representations, as both constraint parts have different