diff --git a/ccm-core/src/com/arsdigita/bebop/parameters/HTMLColourCodeValidationListener.java b/ccm-core/src/com/arsdigita/bebop/parameters/HTMLColourCodeValidationListener.java
new file mode 100644
index 000000000..103487c98
--- /dev/null
+++ b/ccm-core/src/com/arsdigita/bebop/parameters/HTMLColourCodeValidationListener.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2008 Permeance Technologies Ptd Ltd. All Rights Reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+package com.arsdigita.bebop.parameters;
+
+import com.arsdigita.bebop.FormProcessException;
+import com.arsdigita.bebop.event.ParameterEvent;
+import com.arsdigita.bebop.event.ParameterListener;
+
+/**
+ * Validates a value is a valid HTML hex code for a colour.
+ * 
+ * @author <a href="https://sourceforge.net/users/terry_permeance/">terry_permeance</a>
+ */
+public class HTMLColourCodeValidationListener implements ParameterListener
+{
+    public void validate(ParameterEvent e) throws FormProcessException
+    {
+        ParameterData data = e.getParameterData();
+        String value = (String) data.getValue();
+
+        if (value != null && !value.toLowerCase().matches("#[0-9a-f]{3}")
+                && !value.toLowerCase().matches("#[0-9a-f]{6}"))
+        {
+            data.addError("Invalid HTML colour code. Must match #xxx or #xxxxxx.");
+        }
+    }
+}