diff --git a/lib/Constants.php b/lib/Constants.php
index c07bc3061dca4cda757fe2b9a1b58f3dadabc095..536c9ccf52f81489057412d36e1c7a21906e6eba 100644
--- a/lib/Constants.php
+++ b/lib/Constants.php
@@ -13,6 +13,13 @@ class Constants {
     const EC = 'http://macedir.org/entity-category';
 // entity category support
     const ECs = 'http://macedir.org/entity-category-support';
+// ECSS_colours
+    const ECCS_Colours = [
+        1 => ['white', 'green'],
+        2 => ['black', '#D3D3D3'],
+        3 => ['white', 'red'],
+        4 => ['black', '#FFDB58'],
+   ];
 // Code of Conduct Support
     const COCO = 'http://www.geant.net/uri/dataprotection-code-of-conduct/v1';