diff --git a/frontend/components/admin/WorkflowDrawer.vue b/frontend/components/admin/WorkflowDrawer.vue
index 7e16c78..589d383 100644
--- a/frontend/components/admin/WorkflowDrawer.vue
+++ b/frontend/components/admin/WorkflowDrawer.vue
@@ -95,6 +95,7 @@
 
 <script setup lang="ts">
 import type { Workflow, StatusCategory } from '~/services/dto/workflow'
+import { STATUS_CATEGORY_COLOR } from '~/services/dto/workflow'
 import type { TaskStatusWrite } from '~/services/dto/task-status'
 import { useWorkflowService } from '~/services/workflows'
 import { useTaskStatusService } from '~/services/task-statuses'
@@ -169,10 +170,20 @@ watch(() => props.modelValue, (open) => {
     touched.name = false
 })
 
+watch(() => form.statuses.map(s => s.category), (cats, prev) => {
+    if (!prev) return
+    cats.forEach((cat, i) => {
+        const s = form.statuses[i]
+        if (s && cat !== prev[i] && s.color === STATUS_CATEGORY_COLOR[prev[i] as StatusCategory]) {
+            s.color = STATUS_CATEGORY_COLOR[cat as StatusCategory]
+        }
+    })
+})
+
 function addStatus() {
     form.statuses.push({
         label: '',
-        color: '#222783',
+        color: STATUS_CATEGORY_COLOR.todo,
         position: form.statuses.length,
         isFinal: false,
         category: 'todo',
diff --git a/migrations/Version20260521094948.php b/migrations/Version20260521094948.php
new file mode 100644
index 0000000..332231c
--- /dev/null
+++ b/migrations/Version20260521094948.php
@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20260521094948 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Remet les couleurs classiques sur les statuts du workflow Standard (derive data prod).';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $map = [
+            'todo'        => '#222783',
+            'in_progress' => '#4A90D9',
+            'blocked'     => '#C62828',
+            'review'      => '#FF8F00',
+            'done'        => '#26A69A',
+        ];
+        foreach ($map as $category => $hex) {
+            $this->addSql(
+                "UPDATE task_status SET color = '".$hex."' WHERE category = '".$category."' AND workflow_id = (SELECT id FROM workflow WHERE name = 'Standard' ORDER BY id ASC LIMIT 1)"
+            );
+        }
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->throwIrreversibleMigration('Correction de couleurs non reversible.');
+    }
+}