diff --git a/flutter_app/lib/theme/tropical_theme.dart b/flutter_app/lib/theme/tropical_theme.dart
index 3c9cb73..b223e07 100644
--- a/flutter_app/lib/theme/tropical_theme.dart
+++ b/flutter_app/lib/theme/tropical_theme.dart
@@ -1,14 +1,15 @@
 import 'package:flutter/material.dart';
 
+/// Paradise Planner palette — sunset dusk (indigo, lavender, warm amber).
 class TropicalColors {
-  static const teal = Color(0xFF0D9488);
-  static const tealDark = Color(0xFF0F766E);
-  static const sand = Color(0xFFF5E6D3);
-  static const coral = Color(0xFFFF7F6B);
-  static const ocean = Color(0xFF164E63);
-  static const palm = Color(0xFF2D6A4F);
-  static const foam = Color(0xFFE0F2F1);
-  static const userBubble = Color(0xFF134E4A);
+  static const teal = Color(0xFF5B4E9E);
+  static const tealDark = Color(0xFF4A3F85);
+  static const sand = Color(0xFFFBF4E8);
+  static const coral = Color(0xFFE8943A);
+  static const ocean = Color(0xFF2A2645);
+  static const palm = Color(0xFF6B5B95);
+  static const foam = Color(0xFFEDE8F4);
+  static const userBubble = Color(0xFF453B7A);
   static const assistantBubble = Colors.white;
 }
 
@@ -76,7 +77,7 @@ class TropicalTheme {
     );
 
     return base.copyWith(
-      scaffoldBackgroundColor: const Color(0xFFF8FAFC),
+      scaffoldBackgroundColor: const Color(0xFFF5F3FA),
       appBarTheme: const AppBarTheme(
         backgroundColor: TropicalColors.ocean,
         foregroundColor: Colors.white,
@@ -99,10 +100,10 @@ class TropicalBackground extends StatelessWidget {
           begin: Alignment.topLeft,
           end: Alignment.bottomRight,
           colors: [
-            Color(0xFF0D9488),
-            Color(0xFF5EEAD4),
-            Color(0xFFF5E6D3),
-            Color(0xFFFFAB91),
+            Color(0xFF5B4E9E),
+            Color(0xFF9B8EC4),
+            Color(0xFFFBF4E8),
+            Color(0xFFF5C9A8),
           ],
           stops: [0.0, 0.35, 0.7, 1.0],
         ),