diff --git a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
index 3bcfaaf95..614f73468 100644
--- a/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
+++ b/libreplan-webapp/src/main/java/org/libreplan/web/planner/order/OrderPlanningModel.java
@@ -1191,12 +1191,6 @@ public class OrderPlanningModel implements IOrderPlanningModel {
                 });
     }
 
-    // Soft green
-    public static final String COLOR_ASSIGNED_LOAD_GLOBAL = "#E0F3D3";
-
-    // Soft red
-    public static final String COLOR_OVERLOAD_GLOBAL = "#FFD4C2";
-
     /**
      *
      * @author Óscar González Fernández <ogonzalez@igalia.com>
@@ -1207,6 +1201,12 @@ public class OrderPlanningModel implements IOrderPlanningModel {
      */
     private class OrderLoadChartFiller extends LoadChartFiller {
 
+        // Soft green
+        private static final String COLOR_ASSIGNED_LOAD_GLOBAL = "#E0F3D3";
+
+        // Soft red
+        private static final String COLOR_OVERLOAD_GLOBAL = "#FFD4C2";
+
         private final Order order;
 
         public OrderLoadChartFiller(Order orderReloaded) {