diff --git a/labels/lib/converter/hex_color_nullable_converter.dart b/labels/lib/converter/hex_color_nullable_converter.dart
new file mode 100644
index 000000000..6823a479f
--- /dev/null
+++ b/labels/lib/converter/hex_color_nullable_converter.dart
@@ -0,0 +1,12 @@
+import 'package:json_annotation/json_annotation.dart';
+import 'package:labels/model/hex_color.dart';
+
+class HexColorNullableConverter implements JsonConverter<HexColor?, String?> {
+  const HexColorNullableConverter();
+
+  @override
+  HexColor? fromJson(String? json) => json != null ? HexColor(json) : null;
+
+  @override
+  String? toJson(HexColor? object) => object?.value;
+}
diff --git a/labels/lib/labels.dart b/labels/lib/labels.dart
index e69de29bb..4b9c3052e 100644
--- a/labels/lib/labels.dart
+++ b/labels/lib/labels.dart
@@ -0,0 +1,4 @@
+export 'package:labels/model/label.dart';
+export 'package:labels/model/hex_color.dart';
+
+export 'package:labels/utils/labels_constants.dart';
diff --git a/labels/lib/model/hex_color.dart b/labels/lib/model/hex_color.dart
new file mode 100644
index 000000000..804e9ebdb
--- /dev/null
+++ b/labels/lib/model/hex_color.dart
@@ -0,0 +1,10 @@
+import 'package:equatable/equatable.dart';
+
+class HexColor with EquatableMixin {
+  final String value;
+
+  HexColor(this.value);
+
+  @override
+  List<Object> get props => [value];
+}
diff --git a/labels/lib/model/label.dart b/labels/lib/model/label.dart
new file mode 100644
index 000000000..87ea0de55
--- /dev/null
+++ b/labels/lib/model/label.dart
@@ -0,0 +1,37 @@
+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/http/converter/id_converter.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:labels/converter/hex_color_nullable_converter.dart';
+import 'package:labels/model/hex_color.dart';
+
+part 'label.g.dart';
+
+@JsonSerializable(
+  explicitToJson: true,
+  includeIfNull: false,
+  converters: [
+    IdConverter(),
+    HexColorNullableConverter(),
+  ],
+)
+class Label with EquatableMixin {
+  final Id id;
+  final String displayName;
+  final String keyword;
+  final HexColor? color;
+
+  Label(this.id, this.displayName, this.keyword, this.color);
+
+  factory Label.fromJson(Map<String, dynamic> json) => _$LabelFromJson(json);
+
+  Map<String, dynamic> toJson() => _$LabelToJson(this);
+
+  @override
+  List<Object?> get props => [
+        id,
+        displayName,
+        keyword,
+        color,
+      ];
+}
diff --git a/labels/lib/utils/labels_constants.dart b/labels/lib/utils/labels_constants.dart
new file mode 100644
index 000000000..129896368
--- /dev/null
+++ b/labels/lib/utils/labels_constants.dart
@@ -0,0 +1,8 @@
+import 'package:jmap_dart_client/jmap/core/capability/capability_identifier.dart';
+
+class LabelsConstants {
+  LabelsConstants._();
+
+  static final CapabilityIdentifier labelsCapability =
+      CapabilityIdentifier(Uri.parse('com:linagora:params:jmap:labels'));
+}
diff --git a/labels/pubspec.lock b/labels/pubspec.lock
index 8cea6b4cd..ac9780016 100644
--- a/labels/pubspec.lock
+++ b/labels/pubspec.lock
@@ -1,6 +1,30 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      sha256: ae92f5d747aee634b87f89d9946000c2de774be1d6ac3e58268224348cd0101a
+      url: "https://pub.dev"
+    source: hosted
+    version: "61.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      sha256: ea3d8652bda62982addfd92fdc2d0214e5f82e43325104990d4f4c4a2a313562
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.13.0"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: d0481093c50b1da8910eb0bb301626d4d8eb7284aa739614d2b394ee09e3ea04
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
   async:
     dependency: transitive
     description:
@@ -17,6 +41,70 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.2"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      sha256: "80184af8b6cb3e5c1c4ec6d8544d27711700bc3e6d2efad04238c7b5290889f0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.1"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      sha256: "4ae2de3e1e67ea270081eaee972e1bd8f027d459f249e0f1186730784c2e7e33"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      sha256: bf05f6e12cfea92d3c09308d7bcdab1906cd8a179b023269eed00c071004b957
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.1"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      sha256: "339086358431fa15d7eca8b6a36e5d783728cf025e559b834f4609a1fcfb7b0a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      sha256: "1414d6d733a85d8ad2f1dfcb3ea7945759e35a123cb99ccfac75d0758f75edfa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.10"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      sha256: "0671ad4162ed510b70d0eb4ad6354c249f8429cab4ae7a4cec86bbc2886eb76e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.2.7+1"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      sha256: "376e3dd27b51ea877c28d525560790aee2e6fbb5f20e2f85d5081027d94e2100"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      sha256: a30f0a0e38671e89a492c44d005b5545b830a961575bbd8336d42869ff71066d
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.12.0"
   characters:
     dependency: transitive
     description:
@@ -25,6 +113,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: "959525d3162f249993882720d52b7e0c833978df229be20702b33d48d91de70f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.4"
   clock:
     dependency: transitive
     description:
@@ -33,6 +129,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      sha256: "11654819532ba94c34de52ff5feb52bd81cba1de00ef2ed622fd50295f9d4243"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.11.0"
   collection:
     dependency: transitive
     description:
@@ -41,6 +145,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: b30acd5944035672bc15c6b7a8b47d773e41e2f17de064350988c5d02adb1c68
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      sha256: "1efa911ca7086affd35f463ca2fc1799584fb6aa89883cf0af8e3664d6a02d55"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  dartz:
+    dependency: transitive
+    description:
+      name: dartz
+      sha256: e6acf34ad2e31b1eb00948692468c30ab48ac8250e0f0df661e29f12dd252168
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.1"
+  dio:
+    dependency: transitive
+    description:
+      name: dio
+      sha256: "9fdbf71baeb250fc9da847f6cb2052196f62c19906a3657adfc18631a667d316"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.0.0"
+  equatable:
+    dependency: "direct main"
+    description:
+      name: equatable
+      sha256: c2b87cb7756efdf69892005af546c56c0b5037f54d2a88269b4f347a505e3ca2
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.5"
   fake_async:
     dependency: transitive
     description:
@@ -49,6 +201,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: a3b4f84adafef897088c160faf7dfffb7696046cb13ae90b508c2cbc95d3b8d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -58,15 +226,96 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: aeb0b80a8b3709709c9cc496cdc027c5b3216796bc0af0ce1007eaf24464fd4c
+      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "5.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      sha256: f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: c3f1ee72c96f8f78935e18aa8cecced9ab132419e8625dc187e1c2408efc20de
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      sha256: "741bbf84165310a68ff28fe9e727332eef1407342fca52759cb21ad8177bb8d0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      sha256: aa6199f908078bb1c5efb8d8638d4ae191aac11b311132c3ef48ce352fb52ef8
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: dfd5a80599cf0165756e3181807ed3e77daf6dd4137caaad72d0b7931597650b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.5"
+  jmap_dart_client:
+    dependency: "direct main"
+    description:
+      path: "."
+      ref: main
+      resolved-ref: "446efbbccdde981371b4d2a636762184adf6e926"
+      url: "https://github.com/linagora/jmap-dart-client.git"
+    source: git
+    version: "0.3.6"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: "53385261521cc4a0c4658fd0ad07a7d14591cf8fc33abbceae306ddb974888dc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
+  json_annotation:
+    dependency: "direct main"
+    description:
+      name: json_annotation
+      sha256: c33da08e136c3df0190bd5bbe51ae1df4a7d96e7954d1d7249fea2968a72d317
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.0"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      sha256: dadc08bd61f72559f938dd08ec20dbfec6c709bba83515085ea943d2078d187a
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.6.1"
   leak_tracker:
     dependency: transitive
     description:
@@ -95,10 +344,18 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.1"
+    version: "5.1.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
@@ -123,6 +380,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.16.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "801fd0b26f14a4a58ccb09d5892c3fbdeff209594300a542492cf13fba9d247a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.6"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: f096c55ebb7deb7e384101542bfba8c52696c1b56fca2eb62827989ef2353bbc
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
   path:
     dependency: transitive
     description:
@@ -131,11 +404,75 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.9.1"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "978783255c543aa3586a1b3c21f6e9d720eb315376a915872c61ef8b5c20177d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.2"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      sha256: "81876843eb50dc2e1e5b151792c9a985c5ed2536914115ed04e9c8528f6647b0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      sha256: b1c1ac5ce6688d77f65f3375a9abb9319b3cb32486bdc7a1e0fdf004d7ba4e47
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      sha256: cc36c297b52866d203dbf9332263c94becc2fe0ceaa9681d07b6ef9807023b67
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.0"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      sha256: "14658ba5f669685cd3d63701d01b31ea748310f7ab854e471962670abcf57832"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.0"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      sha256: "86d247119aedce8e63f4751bd9626fc9613255935558447569ad42f9f5b48b3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.5"
   source_span:
     dependency: transitive
     description:
@@ -160,6 +497,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: ad47125e588cfd37a9a7f86c7d6356dde8dfe89d071d293f80ca9e9273a33871
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
@@ -184,6 +529,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.4"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      sha256: "70a3b636575d4163c477e6de42f247a23b315ae20e86442bebe32d3cabf61c32"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
@@ -200,6 +561,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "15.0.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      sha256: "592ab6e2892f67760543fb712ff0177f4ec76c031f02f5b4ff8d3fc5eb9fb61a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.4"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  web_socket:
+    dependency: transitive
+    description:
+      name: web_socket
+      sha256: "34d64019aa8e36bf9842ac014bb5d2f5586ca73df5e4d9bf5c936975cae6982c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: d645757fb0f4773d602444000a8131ff5d48c9e47adfe9772652dd1a4f2d45c8
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
 sdks:
-  dart: ">=3.7.0-0 <4.0.0"
+  dart: ">=3.8.0 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"
diff --git a/labels/pubspec.yaml b/labels/pubspec.yaml
index 4dbf6cab2..02ce1babb 100644
--- a/labels/pubspec.yaml
+++ b/labels/pubspec.yaml
@@ -11,11 +11,26 @@ dependencies:
   flutter:
     sdk: flutter
 
+  ### Dependencies from git ###
+  jmap_dart_client:
+    git:
+      url: https://github.com/linagora/jmap-dart-client.git
+      ref: main
+
+  ### Dependencies from pub.dev ###
+  equatable: 2.0.5
+
+  json_annotation: 4.8.0
+
 dev_dependencies:
   flutter_test:
     sdk: flutter
 
-  flutter_lints: 2.0.1
+  flutter_lints: ^5.0.0
+
+  build_runner: 2.4.10
+
+  json_serializable: 6.6.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec