diff --git a/src/main/resources/templates/error/4xx.html b/src/main/resources/templates/error/4xx.html
index 77563b2..8da12d5 100644
--- a/src/main/resources/templates/error/4xx.html
+++ b/src/main/resources/templates/error/4xx.html
@@ -12,7 +12,7 @@
                 </svg>
             </div>
             <div class="ml-3">
-                <h3 class="text-sm font-medium text-red-800" th:text="${status}">Error code</h3>
+                <h3 class="text-sm font-medium text-red-900" th:text="${status}">Error code</h3>
                 <div class="mt-2 text-sm text-red-700" th:text="${message}">
                     Error message
                 </div>
diff --git a/src/main/resources/templates/error/5xx.html b/src/main/resources/templates/error/5xx.html
index 77563b2..8da12d5 100644
--- a/src/main/resources/templates/error/5xx.html
+++ b/src/main/resources/templates/error/5xx.html
@@ -12,7 +12,7 @@
                 </svg>
             </div>
             <div class="ml-3">
-                <h3 class="text-sm font-medium text-red-800" th:text="${status}">Error code</h3>
+                <h3 class="text-sm font-medium text-red-900" th:text="${status}">Error code</h3>
                 <div class="mt-2 text-sm text-red-700" th:text="${message}">
                     Error message
                 </div>
diff --git a/src/main/resources/templates/quiz/edit.html b/src/main/resources/templates/quiz/edit.html
index 758b5db..547bcaf 100644
--- a/src/main/resources/templates/quiz/edit.html
+++ b/src/main/resources/templates/quiz/edit.html
@@ -15,7 +15,7 @@
                 </svg>
             </div>
             <div class="ml-3">
-                <h3 class="text-sm font-medium text-green-800" th:text="${successMessage}">Success Message</h3>
+                <h3 class="text-sm font-medium text-green-900" th:text="${successMessage}">Success Message</h3>
             </div>
         </div>
     </div>
diff --git a/src/main/resources/templates/quiz/results.html b/src/main/resources/templates/quiz/results.html
index 888b920..f4b5b10 100644
--- a/src/main/resources/templates/quiz/results.html
+++ b/src/main/resources/templates/quiz/results.html
@@ -37,9 +37,9 @@
         </p>
         <p class="text-sm text-blue-700">
           Les questions auxquelles vous avez répondu correctement sont surlignées en
-          <span class="rounded-md bg-green-50 text-sm font-medium text-green-800">vert</span>,
+          <span class="rounded-md bg-green-50 text-sm font-medium text-green-900">vert</span>,
           les autres en
-          <span class="rounded-md bg-red-50 text-sm font-medium text-red-800">rouge</span>.
+          <span class="rounded-md bg-red-50 text-sm font-medium text-red-900">rouge</span>.
         </p>
       </div>
     </div>
@@ -51,11 +51,11 @@
     <fieldset >
 
       <!-- titre de la question -->
-      <legend class="rounded-md bg-green-50 p-4 text-sm font-medium text-green-800" th:if="${question.correct}" th:text="${question.text}">
+      <legend class="rounded-md bg-green-50 p-4 text-sm font-medium text-green-900" th:if="${question.correct}" th:text="${question.text}">
         Question text
       </legend>
 
-      <legend class="rounded-md bg-red-50 p-4 text-sm font-medium text-red-800" th:if="${!question.correct}" th:text="${question.text}">
+      <legend class="rounded-md bg-red-50 p-4 text-sm font-medium text-red-900" th:if="${!question.correct}" th:text="${question.text}">
         Question text
       </legend>