anchor.diff:                              <c:url value="result.html"></c:url>
                           </c:set>
                           <form:form class="form-horizontal" name="formulaire" commandName="colorModel" method="GET" role="form" action="${actionUrl}">
  +
  +                            <%-- Foregound --%>
                               <c:set var="foregroundOnError">
                                   <form:errors path="foreground"/>
                               </c:set>
  
positive.code:         <%@include file='/WEB-INF/template/head.jspf' %>
          <body id="contrast-finder-page">
              <div class="container">
                  <%@include file='/WEB-INF/template/header.jspf' %>
                  <%--<%@include file='/WEB-INF/template/cf-message.jspf' %>--%>
                  <div id="set-up-form" class="row">
                      <div class="col-lg-12">
                          <h2><fmt:message key="form.fillInFields"/></h2>
  
negative.code:                                     <span id="background-sample-invalid" class="invalid-color"><fmt:message key="form.invalidColor"/></span>
                                  </div>
                              </div>
  
                              <%-- Component to modify --%>
                              <div class="form-group">
                                  <label for='isBackgroundTested' class="col-lg-3 control-label"><fmt:message key="form.component"/></label>
                                  <div class="col-lg-4">
  