diff --git a/lib/forez/main_forez_dev.dart b/lib/forez/main_forez_dev.dart
index 605d00e..36b3dfe 100644
--- a/lib/forez/main_forez_dev.dart
+++ b/lib/forez/main_forez_dev.dart
@@ -34,6 +34,7 @@ void main() {
     primaryColorDark: Colors.green.shade900,
     appName: "#Forez",
     appQuickDescription: tr("Events organisation in Forez plain"),
+    unreadConversationColor: Colors.green.shade900,
     toursEntriesBuilder: buildTour,
     additionalLoading: () => ForezGroupHelper.refreshInfo(),
     mainRouteBuilder: (c, k) => ForezRoute(key: k),
diff --git a/lib/models/config.dart b/lib/models/config.dart
index 208881e..2310e1e 100644
--- a/lib/models/config.dart
+++ b/lib/models/config.dart
@@ -23,6 +23,7 @@ class Config {
   final Color primaryColorDark;
   final String appName;
   final String appQuickDescription;
+  final Color unreadConversationColor;
 
   // Entries for the welcome tour
   final TourEntriesBuilder toursEntriesBuilder;
@@ -43,6 +44,7 @@ class Config {
     this.primaryColorDark,
     this.appName = "Comunic",
     this.appQuickDescription,
+    this.unreadConversationColor,
     this.toursEntriesBuilder,
     this.additionalLoading,
     this.mainRouteBuilder,
diff --git a/lib/ui/tiles/conversation_tile.dart b/lib/ui/tiles/conversation_tile.dart
index b70f376..39d2a37 100644
--- a/lib/ui/tiles/conversation_tile.dart
+++ b/lib/ui/tiles/conversation_tile.dart
@@ -1,6 +1,7 @@
 import 'package:comunic/helpers/conversations_helper.dart';
 import 'package:comunic/lists/groups_list.dart';
 import 'package:comunic/lists/users_list.dart';
+import 'package:comunic/models/config.dart';
 import 'package:comunic/models/conversation.dart';
 import 'package:comunic/ui/routes/main_route/main_route.dart';
 import 'package:comunic/ui/widgets/conversation_image_widget.dart';
@@ -76,7 +77,10 @@ class ConversationTile extends StatelessWidget {
         // Tile color
         tileColor: conversation.sawLastMessage
             ? null
-            : (conversation.color ?? Colors.blue).withOpacity(0.2),
+            : (conversation.color ??
+                    config().unreadConversationColor ??
+                    Colors.blue)
+                .withOpacity(0.2),
 
         // Leading icon
         leading: ConversationImageWidget(