Index: src/django_gheat/wlheatmap/static/OpenStreetMap.js
===================================================================
--- src/django_gheat/wlheatmap/static/OpenStreetMap.js	(revision 9400)
+++ src/django_gheat/wlheatmap/static/OpenStreetMap.js	(revision 9401)
@@ -196,10 +196,10 @@
 OpenLayers.Layer.OSM.Overlay4 = OpenLayers.Class(OpenLayers.Layer.OSM, {
   initialize: function(name, options) {
-    var url = get_balanced_urls('http://', wl_balancers, '.maps.wirelessleiden.nl/wlheatmap/tile/${z}/${x},${y}.png?colour=250,250,0&signaal__gte=0&signaal__lte=100');
+    var url = get_balanced_urls('http://', wl_balancers, '.maps.wirelessleiden.nl/wlheatmap/tile/${z}/${x},${y}.png?colour=50,150,50&signaal__gte=0&signaal__lte=100');
     options = OpenLayers.Util.extend({ numZoomLevels: 21 }, options);
     var newArguments = [name, url, options];
     OpenLayers.Layer.OSM.prototype.initialize.apply(this, newArguments);
   },
-  colour: "250,250,0",
+  colour: "50,150,50",
   CLASS_NAME: "OpenLayers.Layer.Overlay"
 });