diff --git a/migrations/20220419172600-create-data_groups.js b/migrations/20220419172600-create-data_groups.js
index 85f015c..b35afc0 100644
--- a/migrations/20220419172600-create-data_groups.js
+++ b/migrations/20220419172600-create-data_groups.js
@@ -1,18 +1,16 @@
-'use strict';
+"use strict";
 
 module.exports = {
-    async up(queryInterface, Sequelize) {
-
-        await queryInterface.sequelize.query(
-            `CREATE TABLE data_groups (
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(
+      `CREATE TABLE data_groups (
                 iddata_groups INT NOT NULL AUTO_INCREMENT,
                 title VARCHAR(45) NOT NULL,
                 PRIMARY KEY (iddata_groups)
             ) ENGINE=InnoDB DEFAULT CHARSET=latin1`
-        );
-
-    },
-    async down(queryInterface, Sequelize) {
-        await queryInterface.sequelize.query(`DROP TABLE data_groups`);
-    }
-};
\ No newline at end of file
+    );
+  },
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(`DROP TABLE data_groups`);
+  },
+};
diff --git a/migrations/2024041716570000-add-data_groups-hex_colour.js b/migrations/2024041716570000-add-data_groups-hex_colour.js
new file mode 100644
index 0000000..482630b
--- /dev/null
+++ b/migrations/2024041716570000-add-data_groups-hex_colour.js
@@ -0,0 +1,16 @@
+"use strict";
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(
+      `ALTER TABLE data_groups 
+            ADD hex_colour VARCHAR(7) DEFAULT NULL;`
+    );
+  },
+  async down(queryInterface, Sequelize) {
+    await queryInterface.sequelize.query(
+      `ALTER TABLE data_groups 
+            DROP hex_colour;`
+    );
+  },
+};
diff --git a/src/queries/database.ts b/src/queries/database.ts
index a60ac07..84f8c7b 100644
--- a/src/queries/database.ts
+++ b/src/queries/database.ts
@@ -123,6 +123,7 @@ const DataGroupModel = sequelize.define(
       primaryKey: true,
     },
     title: { type: DataTypes.STRING },
+    hex_colour: { type: DataTypes.STRING },
   },
   {
     tableName: "data_groups",