diff --git a/cdc.md b/cdc.md
index 2c1c221..0d3aeb3 100644
--- a/cdc.md
+++ b/cdc.md
@@ -139,9 +139,9 @@ flowchart TB
     BE <-->|"4. Stockage/Récupération de fichiers"| S3
     BE <-->|"5. Événements temps réel"| WS
 
-    classDef client fill:#f9f,stroke:#333,stroke-width:2px
-    classDef server fill:#bbf,stroke:#333,stroke-width:2px
-    classDef storage fill:#bfb,stroke:#333,stroke-width:2px
+    classDef client fill:#d8a0d8,stroke:#333,stroke-width:2px
+    classDef server fill:#a0a0d8,stroke:#333,stroke-width:2px
+    classDef storage fill:#a0d8a0,stroke:#333,stroke-width:2px
 
     class Client client
     class Server server
@@ -451,11 +451,11 @@ flowchart TD
     Person -->|Appartient à| Group
     Person -->|Possède| Tag[Tags/Étiquettes]
 
-    classDef user fill:#f9f,stroke:#333,stroke-width:2px
-    classDef project fill:#bbf,stroke:#333,stroke-width:2px
-    classDef person fill:#bfb,stroke:#333,stroke-width:2px
-    classDef group fill:#fbb,stroke:#333,stroke-width:2px
-    classDef tag fill:#ffb,stroke:#333,stroke-width:2px
+    classDef user fill:#d8a0d8,stroke:#333,stroke-width:2px
+    classDef project fill:#a0a0d8,stroke:#333,stroke-width:2px
+    classDef person fill:#a0d8a0,stroke:#333,stroke-width:2px
+    classDef group fill:#d8a0a0,stroke:#333,stroke-width:2px
+    classDef tag fill:#d8d8a0,stroke:#333,stroke-width:2px
 
     class User user
     class Project project