diff --git a/frontend/build-configs/bayern/index.ts b/frontend/build-configs/bayern/index.ts
index a87a9b153..0292b7028 100644
--- a/frontend/build-configs/bayern/index.ts
+++ b/frontend/build-configs/bayern/index.ts
@@ -10,8 +10,8 @@ export const bayernCommon: CommonBuildConfigType = {
     },
     categories: [1, 2, 3],
     theme: {
-        primaryColor: "#123456",
-        secondaryColor: "#123456"
+        primaryLight: "#5f5384",
+        primaryDark: "#8377A9"
     },
     mapStyleUrl: {
         production: "https://api.entitlementcard.app/project/bayern.ehrenamtskarte.app/map",
diff --git a/frontend/build-configs/nuernberg/index.ts b/frontend/build-configs/nuernberg/index.ts
index 45deecef7..4e6d5eea3 100644
--- a/frontend/build-configs/nuernberg/index.ts
+++ b/frontend/build-configs/nuernberg/index.ts
@@ -10,8 +10,8 @@ export const nuernbergCommon: CommonBuildConfigType = {
     },
     categories: [],
     theme: {
-        primaryColor: "#123456",
-        secondaryColor: "#123456"
+        primaryLight: "#D88C51",
+        primaryDark: "#F9B787"
     },
     mapStyleUrl: {
         production: "https://api.entitlementcard.app/project/nuernberg.sozialpass.app/map",
@@ -38,7 +38,7 @@ export const nuernbergCommon: CommonBuildConfigType = {
         bodyLabel: "Nürnberg-Pass",
         bodyTextColor: "#000000",
         bodyBackgroundImage: true,
-        bodyBackgroundImageUrl:"assets/nuernberg/background.png",
+        bodyBackgroundImageUrl: "assets/nuernberg/background.png",
         colorStandard: "#F9B787",
         colorPremium: "#F9B787",
         boxDecorationRadius: 0,
diff --git a/frontend/build-configs/types.ts b/frontend/build-configs/types.ts
index 883cf69a1..ad840f681 100644
--- a/frontend/build-configs/types.ts
+++ b/frontend/build-configs/types.ts
@@ -7,8 +7,8 @@ type BuildConfigType = {
 export type FeatureFlagsType = {}
 
 export type ThemeType = {
-    primaryColor: string,
-    secondaryColor: string
+    primaryLight: string,
+    primaryDark: string
 }
 
 export type CommonBuildConfigType = {
@@ -36,12 +36,12 @@ export type CommonBuildConfigType = {
         headerTitleRight: string,
         headerLogo: string,
         headerLogoPadding: number,
-        headerContainerPadding: {top:number, left: number; bottom: number, right: number}
+        headerContainerPadding: { top: number, left: number; bottom: number, right: number }
         headerTextFontSize: number,
         bodyTextColor: string,
         colorPremium: string,
         colorStandard: string,
-        bodyContainerPadding: {top:number, left: number; bottom: number, right: number}
+        bodyContainerPadding: { top: number, left: number; bottom: number, right: number }
         bodyLogo: string,
         bodyLogoPosition: string,
         bodyLabel: string,
diff --git a/frontend/lib/themes.dart b/frontend/lib/themes.dart
index 27638aa55..2f650f593 100644
--- a/frontend/lib/themes.dart
+++ b/frontend/lib/themes.dart
@@ -1,12 +1,14 @@
+import 'package:ehrenamtskarte/build_config/build_config.dart';
+import 'package:ehrenamtskarte/util/color_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
 ThemeData get lightTheme {
   const defaultTypography = Typography.blackMountainView;
   final lightTheme = ThemeData.from(
-    colorScheme: const ColorScheme.light(
-      primary: Color(0xff5f5384),
-      secondary: Color(0xff5f5384),
+    colorScheme: ColorScheme.light(
+      primary: getColorFromHex(buildConfig.theme.primaryLight),
+      secondary: getColorFromHex(buildConfig.theme.primaryLight),
     ),
     textTheme: defaultTypography.copyWith(
       headline4: defaultTypography.headline4?.apply(color: Colors.black87),
@@ -31,9 +33,9 @@ ThemeData get lightTheme {
 ThemeData get darkTheme {
   const defaultTypography = Typography.whiteMountainView;
   final theme = ThemeData.from(
-    colorScheme: const ColorScheme.dark(
-      primary: Color(0xff8377A9),
-      secondary: Color(0xff8377A9),
+    colorScheme: ColorScheme.dark(
+      primary: getColorFromHex(buildConfig.theme.primaryDark),
+      secondary: getColorFromHex(buildConfig.theme.primaryDark),
     ),
     textTheme: defaultTypography.copyWith(
       headline4: defaultTypography.headline4?.apply(color: Colors.white),