fixing the map generation problem

lib/eduGAIN_map.php

@@ -18,7 +18,7 @@ class eduGAIN_map {
         ];
 
         $Colour = [];
-        $Colour['va'] = '#0c0c0';
+        $Colour['va'] = '#c0c0c0';
         $Colour['im'] = '#c0c0c0';
         $Colour['gg'] = '#c0c0c0';
         $Colour['je'] = '#c0c0c0';