diff --git a/source/armarx/navigation/gui-plugins/LocationGraphEditor/CMakeLists.txt b/source/armarx/navigation/gui-plugins/LocationGraphEditor/CMakeLists.txt
index 3d865290897959ee93c8edb876c21f3cdcc94061..8235d2811d307784175818c8bb183a142e90828e 100644
--- a/source/armarx/navigation/gui-plugins/LocationGraphEditor/CMakeLists.txt
+++ b/source/armarx/navigation/gui-plugins/LocationGraphEditor/CMakeLists.txt
@@ -17,6 +17,7 @@ set(SOURCES
     GraphScene.cpp
     GuiGraph.cpp
 
+    widgets/default_colors.cpp
     widgets/EdgeTableWidget.cpp
     widgets/VertexDataWidget.cpp
     widgets/VertexTableWidget.cpp
@@ -28,6 +29,7 @@ set(HEADERS
     GraphScene.h
     GuiGraph.h
 
+    widgets/default_colors.h
     widgets/EdgeTableWidget.h
     widgets/VertexDataWidget.h
     widgets/VertexTableWidget.h
diff --git a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/EdgeTableWidget.h b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/EdgeTableWidget.h
index b42c448027ba1ddac6c4ee849449a90f8a029e4e..f0266930f4e3b1e9e295a6825c32848ebe7f977b 100644
--- a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/EdgeTableWidget.h
+++ b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/EdgeTableWidget.h
@@ -22,7 +22,9 @@
 #pragma once
 
 #include <armarx/navigation/gui-plugins/LocationGraphEditor/GuiGraph.h>
+#include <armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.h>
 
+#include <QColor>
 #include <QTableWidget>
 
 
@@ -48,8 +50,8 @@ namespace armarx::nav::locgrapheditor
 
     public:
 
-        QColor bgColorDefault = QColor::fromRgb(255, 255, 255);
-        QColor bgColorSelected = QColor::fromRgb(0, 128, 255);
+        QColor bgColorDefault = default_colors::tableBackgroundDefault;
+        QColor bgColorSelected = default_colors::tableBackgroundSelected;
 
 
     };
diff --git a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.cpp b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.cpp
index 1906868bb6849768cce0becce8f43b37192dde01..12697de5958cbd8697e9cbe969bca0d7633f4126 100644
--- a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.cpp
+++ b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.cpp
@@ -39,6 +39,8 @@ namespace armarx::nav::locgrapheditor
         setSortingEnabled(true);
 
         setContextMenuPolicy(Qt::CustomContextMenu);
+
+        setAlternatingRowColors(true);
     }
 
 
@@ -59,7 +61,7 @@ namespace armarx::nav::locgrapheditor
 
         for (int col = 1; col <= 3; ++col)
         {
-            item(row, col)->setTextAlignment(Qt::AlignRight);
+            item(row, col)->setTextAlignment(Qt::AlignRight | Qt::AlignVCenter);
         }
 
         return item(row, 0);
diff --git a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.h b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.h
index 31fbed28d2fd0319e3b0a6514ddded4552097932..e00b356e3c51792bf0d71f3802aeaed94ece3d06 100644
--- a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.h
+++ b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/VertexTableWidget.h
@@ -22,7 +22,9 @@
 #pragma once
 
 #include <armarx/navigation/gui-plugins/LocationGraphEditor/GuiGraph.h>
+#include <armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.h>
 
+#include <QColor>
 #include <QTableWidget>
 
 
@@ -31,6 +33,7 @@ namespace armarx::nav::locgrapheditor
 
     class VertexTableWidget : public QTableWidget
     {
+        Q_OBJECT
         using This = VertexTableWidget;
 
 
@@ -48,8 +51,9 @@ namespace armarx::nav::locgrapheditor
 
     public:
 
-        QColor bgColorDefault = QColor::fromRgb(255, 255, 255);
-        QColor bgColorSelected = QColor::fromRgb(0, 128, 255);
+        QColor bgColorDefault = default_colors::tableBackgroundDefault;
+        QColor bgColorSelected = default_colors::tableBackgroundSelected;
+
 
     };
 
diff --git a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.cpp b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..059cb71ceaa32b1218b3d1245ea89fb357e61b88
--- /dev/null
+++ b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.cpp
@@ -0,0 +1,33 @@
+/*
+ * This file is part of ArmarX.
+ *
+ * ArmarX is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * ArmarX is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author     Rainer Kartmann ( rainer dot kartmann at kit dot edu )
+ * @date       2021
+ * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
+ *             GNU General Public License
+ */
+
+#include "default_colors.h"
+
+#include <QColor>
+
+
+namespace armarx::nav::locgrapheditor
+{
+
+    const QColor default_colors::tableBackgroundDefault = QColor::fromRgb(255, 255, 255);
+    const QColor default_colors::tableBackgroundSelected = QColor::fromRgb(128, 196, 255);
+
+}
diff --git a/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.h b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.h
new file mode 100644
index 0000000000000000000000000000000000000000..0a355fa64b65335f48ce03fd9d4b90c52845e2c7
--- /dev/null
+++ b/source/armarx/navigation/gui-plugins/LocationGraphEditor/widgets/default_colors.h
@@ -0,0 +1,33 @@
+/*
+ * This file is part of ArmarX.
+ *
+ * ArmarX is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * ArmarX is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author     Rainer Kartmann ( rainer dot kartmann at kit dot edu )
+ * @date       2021
+ * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
+ *             GNU General Public License
+ */
+
+#pragma once
+
+class QColor;
+
+
+namespace armarx::nav::locgrapheditor::default_colors
+{
+
+    extern const QColor tableBackgroundDefault;
+    extern const QColor tableBackgroundSelected;
+
+}