diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
index 38923c0..781ca64 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java
@@ -645,10 +645,10 @@ public abstract class OpenLayerMap {
 
 		Style style = new Style();
 		StrokeOptions strokeOptions = new StrokeOptions();
-		strokeOptions.setColor(new Color(255, 255, 255, 0.8));
+		strokeOptions.setColor(new Color(255, 255, 0, 0.8));
 		strokeOptions.setWidth(5);
 		Stroke stroke = new Stroke(strokeOptions);
-		stroke.setWidth(3);
+		stroke.setWidth(2);
 		style.setStroke(stroke);
 
 		Vector vectorSource = OLFactory.createVectorSource();