diff --git a/package.json b/package.json
index c85ce72..adb82b4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.72.0",
+  "version": "1.72.1",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {
diff --git a/src/app/api/calendar/events/route.ts b/src/app/api/calendar/events/route.ts
index 12e8ad0..7ba68f4 100644
--- a/src/app/api/calendar/events/route.ts
+++ b/src/app/api/calendar/events/route.ts
@@ -76,6 +76,14 @@ export async function POST(request: NextRequest) {
             attachments,
         } as any);
 
+        // Attach calendar color from connection metadata for cache + frontend
+        if (!event.backgroundColor && connection.calendars) {
+            const cal = (connection.calendars as any[]).find((c: any) => c.id === calendarId);
+            if (cal?.backgroundColor || cal?.color) {
+                event.backgroundColor = cal.backgroundColor || cal.color;
+            }
+        }
+
         // Update cache - await to ensure it's ready before client refreshes
         try {
             await upsertCachedEvent(userId, connection.id, connection.provider, event);
@@ -144,6 +152,14 @@ export async function PATCH(request: NextRequest) {
             attachments,
         } as any);
 
+        // Attach calendar color from connection metadata for cache + frontend
+        if (!event.backgroundColor && connection.calendars) {
+            const cal = (connection.calendars as any[]).find((c: any) => c.id === calendarId);
+            if (cal?.backgroundColor || cal?.color) {
+                event.backgroundColor = cal.backgroundColor || cal.color;
+            }
+        }
+
         // Update cache - await to ensure it's ready before client refreshes
         try {
             await upsertCachedEvent(userId, connection.id, connection.provider, event);