diff --git a/frontend/assets/images/input_field_bg.png b/frontend/assets/images/bg_beige.png
similarity index 100%
rename from frontend/assets/images/input_field_bg.png
rename to frontend/assets/images/bg_beige.png
diff --git a/frontend/assets/images/btn_green.png b/frontend/assets/images/bg_green.png
similarity index 100%
rename from frontend/assets/images/btn_green.png
rename to frontend/assets/images/bg_green.png
diff --git a/frontend/assets/images/input_field_lavande.png b/frontend/assets/images/bg_lavender.png
similarity index 100%
rename from frontend/assets/images/input_field_lavande.png
rename to frontend/assets/images/bg_lavender.png
diff --git a/frontend/assets/images/input_field_jaune.png b/frontend/assets/images/bg_yellow.png
similarity index 100%
rename from frontend/assets/images/input_field_jaune.png
rename to frontend/assets/images/bg_yellow.png
diff --git a/frontend/lib/screens/auth/am_register_step4_screen.dart b/frontend/lib/screens/auth/am_register_step4_screen.dart
index 8ed3b36..3dc293e 100644
--- a/frontend/lib/screens/auth/am_register_step4_screen.dart
+++ b/frontend/lib/screens/auth/am_register_step4_screen.dart
@@ -78,7 +78,7 @@ class _AmRegisterStep4ScreenState extends State<AmRegisterStep4Screen> {
                     const SizedBox(height: 40),
                     
                     ImageButton(
-                      bg: 'assets/images/btn_green.png',
+                      bg: 'assets/images/bg_green.png',
                       text: 'Soumettre ma demande',
                       textColor: const Color(0xFF2D6A4F),
                       width: 350,
diff --git a/frontend/lib/screens/auth/login_screen.dart b/frontend/lib/screens/auth/login_screen.dart
index 74c33b1..cd883e4 100644
--- a/frontend/lib/screens/auth/login_screen.dart
+++ b/frontend/lib/screens/auth/login_screen.dart
@@ -242,7 +242,7 @@ class _LoginPageState extends State<LoginScreen> {
                                 child: _isLoading
                                     ? const CircularProgressIndicator()
                                     : ImageButton(
-                                        bg: 'assets/images/btn_green.png',
+                                        bg: 'assets/images/bg_green.png',
                                         width: 300,
                                         height: 40,
                                         text: 'Se connecter',
diff --git a/frontend/lib/screens/auth/parent_register_step5_screen.dart b/frontend/lib/screens/auth/parent_register_step5_screen.dart
index 5f939f7..9c81ae1 100644
--- a/frontend/lib/screens/auth/parent_register_step5_screen.dart
+++ b/frontend/lib/screens/auth/parent_register_step5_screen.dart
@@ -87,7 +87,7 @@ class _ParentRegisterStep5ScreenState extends State<ParentRegisterStep5Screen> {
                     _buildMotivationCard(context, registrationData.motivationText),
                     const SizedBox(height: 40),
                     ImageButton(
-                      bg: 'assets/images/btn_green.png',
+                      bg: 'assets/images/bg_green.png',
                       text: 'Soumettre ma demande',
                       textColor: const Color(0xFF2D6A4F),
                       width: 350,
diff --git a/frontend/lib/widgets/auth/change_password_dialog.dart b/frontend/lib/widgets/auth/change_password_dialog.dart
index 363ed71..f9f50a6 100644
--- a/frontend/lib/widgets/auth/change_password_dialog.dart
+++ b/frontend/lib/widgets/auth/change_password_dialog.dart
@@ -265,7 +265,7 @@ class _ChangePasswordDialogState extends State<ChangePasswordDialog> {
                   child: _isLoading
                       ? const CircularProgressIndicator()
                       : ImageButton(
-                          bg: 'assets/images/btn_green.png',
+                          bg: 'assets/images/bg_green.png',
                           width: 250,
                           height: 40,
                           text: 'Changer le mot de passe',
diff --git a/frontend/lib/widgets/base_form_screen.dart b/frontend/lib/widgets/base_form_screen.dart
index fb10a51..608bffd 100644
--- a/frontend/lib/widgets/base_form_screen.dart
+++ b/frontend/lib/widgets/base_form_screen.dart
@@ -196,7 +196,7 @@ class BaseFormScreen extends StatelessWidget {
         // Bouton Précédent
         HoverReliefWidget(
           child: ImageButton(
-            bg: 'assets/images/btn_green.png',
+            bg: 'assets/images/bg_green.png',
             text: 'Précédent',
             textColor: Colors.white,
             onPressed: () => Navigator.pushNamed(context, previousRoute),
@@ -208,7 +208,7 @@ class BaseFormScreen extends StatelessWidget {
         // Bouton Suivant/Soumettre
         HoverReliefWidget(
           child: ImageButton(
-            bg: 'assets/images/btn_green.png',
+            bg: 'assets/images/bg_green.png',
             text: submitButtonText ?? 'Suivant',
             textColor: Colors.white,
             onPressed: config.isReadonly ? onSubmit : () {
diff --git a/frontend/lib/widgets/custom_app_text_field.dart b/frontend/lib/widgets/custom_app_text_field.dart
index 5f700da..2492cab 100644
--- a/frontend/lib/widgets/custom_app_text_field.dart
+++ b/frontend/lib/widgets/custom_app_text_field.dart
@@ -54,12 +54,12 @@ class _CustomAppTextFieldState extends State<CustomAppTextField> {
   String getBackgroundImagePath() {
     switch (widget.style) {
       case CustomAppTextFieldStyle.lavande:
-        return 'assets/images/input_field_lavande.png';
+        return 'assets/images/bg_lavender.png';
       case CustomAppTextFieldStyle.jaune:
-        return 'assets/images/input_field_jaune.png';
+        return 'assets/images/bg_yellow.png';
       case CustomAppTextFieldStyle.beige:
       default:
-        return 'assets/images/input_field_bg.png';
+        return 'assets/images/bg_beige.png';
     }
   }
 
diff --git a/frontend/lib/widgets/summary_screen.dart b/frontend/lib/widgets/summary_screen.dart
index a623891..7a69f3e 100644
--- a/frontend/lib/widgets/summary_screen.dart
+++ b/frontend/lib/widgets/summary_screen.dart
@@ -38,7 +38,7 @@ class SummaryScreen extends StatelessWidget {
           actions: [
             Center(
               child: ImageButton(
-                bg: 'assets/images/btn_green.png',
+                bg: 'assets/images/bg_green.png',
                 text: 'OK',
                 textColor: const Color(0xFF2D6A4F),
                 width: 150,
@@ -89,7 +89,7 @@ class SummaryScreen extends StatelessWidget {
                     const SizedBox(height: 20),
                     
                     ImageButton(
-                      bg: 'assets/images/btn_green.png',
+                      bg: 'assets/images/bg_green.png',
                       text: submitButtonText,
                       textColor: const Color(0xFF2D6A4F),
                       width: 350,