diff --git a/core/lib/presentation/extensions/color_extension.dart b/core/lib/presentation/extensions/color_extension.dart
index ca5e80620..a3a0113a8 100644
--- a/core/lib/presentation/extensions/color_extension.dart
+++ b/core/lib/presentation/extensions/color_extension.dart
@@ -178,9 +178,13 @@ extension AppColor on Color {
   static const colorCalendarEventRead = Color(0xFF818C99);
   static const colorCalendarEventUnread = Color(0xFF1C1B1F);
   static const colorMaybeEventActionText = Color(0xFFFFC107);
+  static const colorMaybeEventActionBanner = Color(0xFFFFF5C2);
   static const colorInvitedEventActionText = Color(0xFF007AFF);
+  static const colorInvitedEventActionBanner = Color(0xFFEBF4FF);
   static const colorUpdatedEventActionText = Color(0xFF4BB34B);
+  static const colorUpdatedEventActionBanner = Color(0xFFECF8E5);
   static const colorCanceledEventActionText = Color(0xFFFF3347);
+  static const colorCanceledEventActionBanner = Color(0xFFF5EBEB);
   static const colorSubTitleEventActionText = Color(0xFF939393);
   static const colorCalendarEventInformationBackground = Color(0x0A000000);
   static const colorCalendarEventInformationStroke = Color(0x1F000000);
diff --git a/lib/features/email/presentation/extensions/calendar_event_extension.dart b/lib/features/email/presentation/extensions/calendar_event_extension.dart
index f993c87cb..c058436af 100644
--- a/lib/features/email/presentation/extensions/calendar_event_extension.dart
+++ b/lib/features/email/presentation/extensions/calendar_event_extension.dart
@@ -25,30 +25,34 @@ import 'package:tmail_ui_user/main/utils/app_utils.dart';
 
 extension CalendarEventExtension on CalendarEvent {
 
-  Color getColorEventActionBanner(List<String> listEmailAddressSender) {
+  static const String acceptedParticipationStatus = 'ACCEPTED';
+  static const String tentativeParticipationStatus = 'TENTATIVE';
+  static const String declinedParticipationStatus = 'DECLINED';
+
+  Color? getColorEventActionBanner(List<String> listEmailAddressSender) {
     switch(method) {
       case EventMethod.request:
       case EventMethod.add:
-        return AppColor.colorInvitedEventActionText;
+        return AppColor.colorInvitedEventActionBanner;
       case EventMethod.refresh:
       case EventMethod.counter:
-        return AppColor.colorUpdatedEventActionText;
+        return AppColor.colorUpdatedEventActionBanner;
       case EventMethod.cancel:
       case EventMethod.declineCounter:
-        return AppColor.colorCanceledEventActionText;
+        return AppColor.colorCanceledEventActionBanner;
       case EventMethod.reply:
         final matchedAttendee = findAttendeeHasUpdatedStatus(listEmailAddressSender);
         if (matchedAttendee != null) {
-          return getAttendeeMessageTextColor(matchedAttendee.participationStatus);
+          return getAttendeeMessageBannerColor(matchedAttendee.participationStatus);
         } else {
-          return Colors.transparent;
+          return null;
         }
       default:
-        return Colors.transparent;
+        return null;
     }
   }
 
-  Color getColorEventActionText(List<String> listEmailAddressSender) {
+  Color? getColorEventActionText(List<String> listEmailAddressSender) {
     switch(method) {
       case EventMethod.request:
       case EventMethod.add:
@@ -64,10 +68,10 @@ extension CalendarEventExtension on CalendarEvent {
         if (matchedAttendee != null) {
           return getAttendeeMessageTextColor(matchedAttendee.participationStatus);
         } else {
-          return Colors.transparent;
+          return null;
         }
       default:
-        return Colors.transparent;
+        return null;
     }
   }
 
@@ -155,26 +159,38 @@ extension CalendarEventExtension on CalendarEvent {
   }
 
   String getAttendeeMessageStatus(BuildContext context, CalendarAttendeeParticipationStatus? status) {
-    if (status == CalendarAttendeeParticipationStatus('ACCEPTED')) {
+    if (status == CalendarAttendeeParticipationStatus(acceptedParticipationStatus)) {
       return AppLocalizations.of(context).messageEventActionBannerAttendeeAccepted;
-    } else if (status == CalendarAttendeeParticipationStatus('TENTATIVE')) {
+    } else if (status == CalendarAttendeeParticipationStatus(tentativeParticipationStatus)) {
       return AppLocalizations.of(context).messageEventActionBannerAttendeeTentative;
-    } else if (status == CalendarAttendeeParticipationStatus('DECLINED')) {
+    } else if (status == CalendarAttendeeParticipationStatus(declinedParticipationStatus)) {
       return AppLocalizations.of(context).messageEventActionBannerAttendeeDeclined;
     } else {
       return '';
     }
   }
 
-  Color getAttendeeMessageTextColor(CalendarAttendeeParticipationStatus? status) {
-    if (status == CalendarAttendeeParticipationStatus('ACCEPTED')) {
+  Color? getAttendeeMessageBannerColor(CalendarAttendeeParticipationStatus? status) {
+    if (status == CalendarAttendeeParticipationStatus(acceptedParticipationStatus)) {
+      return AppColor.colorUpdatedEventActionBanner;
+    } else if (status == CalendarAttendeeParticipationStatus(tentativeParticipationStatus)) {
+      return AppColor.colorMaybeEventActionBanner;
+    } else if (status == CalendarAttendeeParticipationStatus(declinedParticipationStatus)) {
+      return AppColor.colorCanceledEventActionBanner;
+    } else {
+      return null;
+    }
+  }
+
+  Color? getAttendeeMessageTextColor(CalendarAttendeeParticipationStatus? status) {
+    if (status == CalendarAttendeeParticipationStatus(acceptedParticipationStatus)) {
       return AppColor.colorUpdatedEventActionText;
-    } else if (status == CalendarAttendeeParticipationStatus('TENTATIVE')) {
+    } else if (status == CalendarAttendeeParticipationStatus(tentativeParticipationStatus)) {
       return AppColor.colorMaybeEventActionText;
-    } else if (status == CalendarAttendeeParticipationStatus('DECLINED')) {
+    } else if (status == CalendarAttendeeParticipationStatus(declinedParticipationStatus)) {
       return AppColor.colorCanceledEventActionText;
     } else {
-      return Colors.transparent;
+      return null;
     }
   }
 
diff --git a/lib/features/email/presentation/widgets/calendar_event/calendar_event_action_banner_widget.dart b/lib/features/email/presentation/widgets/calendar_event/calendar_event_action_banner_widget.dart
index 7fe70559f..dc8477211 100644
--- a/lib/features/email/presentation/widgets/calendar_event/calendar_event_action_banner_widget.dart
+++ b/lib/features/email/presentation/widgets/calendar_event/calendar_event_action_banner_widget.dart
@@ -24,7 +24,7 @@ class CalendarEventActionBannerWidget extends StatelessWidget {
     return Container(
       decoration: BoxDecoration(
         borderRadius: const BorderRadius.all(Radius.circular(CalendarEventActionBannerStyles.borderRadius)),
-        color: calendarEvent.getColorEventActionBanner(listEmailAddressSender).withOpacity(0.12)
+        color: calendarEvent.getColorEventActionBanner(listEmailAddressSender),
       ),
       padding: const EdgeInsets.all(CalendarEventActionBannerStyles.contentPadding),
       margin: const EdgeInsets.symmetric(
@@ -44,35 +44,29 @@ class CalendarEventActionBannerWidget extends StatelessWidget {
                 fit: BoxFit.fill,
               ),
             ),
-          Expanded(child: Column(
-            crossAxisAlignment: CrossAxisAlignment.start,
-            mainAxisSize: MainAxisSize.min,
-            children: [
-              Text.rich(
-                TextSpan(
-                  style: TextStyle(
-                    fontSize: CalendarEventActionBannerStyles.titleTextSize,
-                    fontWeight: FontWeight.w400,
-                    color: calendarEvent.getColorEventActionText(listEmailAddressSender)
-                  ),
-                  children: [
-                    TextSpan(
-                      text: calendarEvent.getUserNameEventAction(
-                        context: context,
-                        imagePaths: imagePaths,
-                        listEmailAddressSender: listEmailAddressSender
-                      ),
-                      style: TextStyle(
-                        color: calendarEvent.getColorEventActionText(listEmailAddressSender),
-                        fontSize: CalendarEventActionBannerStyles.titleTextSize,
-                        fontWeight: FontWeight.w700
-                      ),
-                    ),
-                    TextSpan(text: calendarEvent.getTitleEventAction(context, listEmailAddressSender))
-                  ]
-                )
+          Expanded(child: Text.rich(
+            TextSpan(
+              style: TextStyle(
+                fontSize: CalendarEventActionBannerStyles.titleTextSize,
+                fontWeight: FontWeight.w400,
+                color: calendarEvent.getColorEventActionText(listEmailAddressSender)
               ),
-            ]
+              children: [
+                TextSpan(
+                  text: calendarEvent.getUserNameEventAction(
+                    context: context,
+                    imagePaths: imagePaths,
+                    listEmailAddressSender: listEmailAddressSender
+                  ),
+                  style: TextStyle(
+                    color: calendarEvent.getColorEventActionText(listEmailAddressSender),
+                    fontSize: CalendarEventActionBannerStyles.titleTextSize,
+                    fontWeight: FontWeight.w700
+                  ),
+                ),
+                TextSpan(text: calendarEvent.getTitleEventAction(context, listEmailAddressSender))
+              ]
+            )
           ))
         ]
       ),