diff --git a/package-lock.json b/package-lock.json
index ca871744..36779dd2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
 				"@tinymce/tinymce-react": "^4.3.2",
 				"@zextras/carbonio-design-system": "^4.2.0",
 				"@zextras/carbonio-ui-preview": "^1.2.3",
-				"darkreader": "^4.9.77",
+				"darkreader": "^4.9.79",
 				"history": "^5.3.0",
 				"i18next": "^22.5.1",
 				"i18next-http-backend": "^2.5.0",
@@ -7715,9 +7715,9 @@
 			}
 		},
 		"node_modules/darkreader": {
-			"version": "4.9.77",
-			"resolved": "https://registry.npmjs.org/darkreader/-/darkreader-4.9.77.tgz",
-			"integrity": "sha512-PHv6pOEFIdoiQxJewUxnbrcB7aJsTgiECws9KNNxEpk2bma1CZNaweFALyADfmosAaoDlJaxvbpzXMxcc0T+jA==",
+			"version": "4.9.79",
+			"resolved": "https://registry.npmjs.org/darkreader/-/darkreader-4.9.79.tgz",
+			"integrity": "sha512-FZ/8qP2WuZ3eJTFhaTIoQhTW/OdwBZLbh6Rsl0BjSXXLvl2VNEqQ5C/uBFtcJPtnYMH1xgbQAjzzz68s/FS8Ng==",
 			"funding": {
 				"type": "opencollective",
 				"url": "https://opencollective.com/darkreader/donate"
diff --git a/package.json b/package.json
index dc08f7a6..ae542680 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,7 @@
 		"@tinymce/tinymce-react": "^4.3.2",
 		"@zextras/carbonio-design-system": "^4.2.0",
 		"@zextras/carbonio-ui-preview": "^1.2.3",
-		"darkreader": "^4.9.77",
+		"darkreader": "^4.9.79",
 		"history": "^5.3.0",
 		"i18next": "^22.5.1",
 		"i18next-http-backend": "^2.5.0",
diff --git a/src/boot/use-get-primary-color.test.tsx b/src/boot/use-get-primary-color.test.tsx
new file mode 100644
index 00000000..c0a68ac7
--- /dev/null
+++ b/src/boot/use-get-primary-color.test.tsx
@@ -0,0 +1,190 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Zextras <https://www.zextras.com>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import React from 'react';
+
+import { act, screen } from '@testing-library/react';
+import { produce } from 'immer';
+
+import { useGetPrimaryColor } from './use-get-primary-color';
+import { DARK_READER_PROP_KEY, SHELL_APP_ID } from '../constants';
+import * as useLocalStorage from '../shell/hooks/useLocalStorage';
+import { useAccountStore } from '../store/account';
+import { useLoginConfigStore } from '../store/login/store';
+import { setup } from '../test/utils';
+
+const PrimaryColorComponent = (): React.JSX.Element => {
+	const primary = useGetPrimaryColor();
+	return <div>{`color: ${primary}`}</div>;
+};
+
+describe('Use get primary color', () => {
+	it('should return the carbonioWebUiPrimaryColor config when available and dark mode is disabled', async () => {
+		const localStorageColor = '#aabbaa';
+		const mockUseLocalStorage = jest.spyOn(useLocalStorage, 'useLocalStorage');
+
+		mockUseLocalStorage.mockReturnValue([{ light: localStorageColor }, jest.fn()]);
+
+		const carbonioWebUiPrimaryColorConfig = '#bbbbbb';
+		const carbonioWebUiDarkPrimaryColorConfig = '#cccccc';
+		useLoginConfigStore.setState((s) => ({
+			...s,
+			carbonioWebUiPrimaryColor: carbonioWebUiPrimaryColorConfig,
+			carbonioWebUiDarkPrimaryColor: carbonioWebUiDarkPrimaryColorConfig,
+			loaded: true
+		}));
+
+		useAccountStore.setState(
+			produce((state) => {
+				state.settings.props = [
+					{ name: DARK_READER_PROP_KEY, zimlet: SHELL_APP_ID, _content: 'disabled' }
+				];
+			})
+		);
+
+		setup(<PrimaryColorComponent />);
+
+		expect(await screen.findByText(`color: ${carbonioWebUiPrimaryColorConfig}`)).toBeVisible();
+	});
+
+	it('should return the carbonioWebUiDarkPrimaryColor config when available and dark mode is enabled', async () => {
+		const localStorageColor = '#aabbaa';
+		const mockUseLocalStorage = jest.spyOn(useLocalStorage, 'useLocalStorage');
+
+		mockUseLocalStorage.mockReturnValue([{ light: localStorageColor }, jest.fn()]);
+
+		const carbonioWebUiPrimaryColorConfig = '#bbbbbb';
+		const carbonioWebUiDarkPrimaryColorConfig = '#cccccc';
+		useLoginConfigStore.setState((s) => ({
+			...s,
+			carbonioWebUiPrimaryColor: carbonioWebUiPrimaryColorConfig,
+			carbonioWebUiDarkPrimaryColor: carbonioWebUiDarkPrimaryColorConfig,
+			loaded: true
+		}));
+
+		useAccountStore.setState(
+			produce((state) => {
+				state.settings.props = [
+					{ name: DARK_READER_PROP_KEY, zimlet: SHELL_APP_ID, _content: 'enabled' }
+				];
+			})
+		);
+
+		setup(<PrimaryColorComponent />);
+
+		expect(await screen.findByText(`color: ${carbonioWebUiDarkPrimaryColorConfig}`)).toBeVisible();
+	});
+
+	it('should return the carbonioWebUiPrimaryColor config when available and carbonioWebUiDarkPrimaryColor is not available and dark mode is enabled', async () => {
+		const localStorageColor = '#aabbaa';
+		const mockUseLocalStorage = jest.spyOn(useLocalStorage, 'useLocalStorage');
+
+		mockUseLocalStorage.mockReturnValue([{ light: localStorageColor }, jest.fn()]);
+
+		const carbonioWebUiPrimaryColorConfig = '#bbbbbb';
+		useLoginConfigStore.setState((s) => ({
+			...s,
+			carbonioWebUiPrimaryColor: carbonioWebUiPrimaryColorConfig,
+			loaded: true
+		}));
+
+		useAccountStore.setState(
+			produce((state) => {
+				state.settings.props = [
+					{ name: DARK_READER_PROP_KEY, zimlet: SHELL_APP_ID, _content: 'enabled' }
+				];
+			})
+		);
+
+		setup(<PrimaryColorComponent />);
+
+		expect(await screen.findByText(`color: ${carbonioWebUiPrimaryColorConfig}`)).toBeVisible();
+	});
+
+	it('should return the carbonioWebUiDarkPrimaryColor config when available and carbonioWebUiPrimaryColor is not available and dark mode is disabled', async () => {
+		const localStorageColor = '#aabbaa';
+		const mockUseLocalStorage = jest.spyOn(useLocalStorage, 'useLocalStorage');
+
+		mockUseLocalStorage.mockReturnValue([{ light: localStorageColor }, jest.fn()]);
+
+		const carbonioWebUiDarkPrimaryColorConfig = '#cccccc';
+		useLoginConfigStore.setState((s) => ({
+			...s,
+			carbonioWebUiDarkPrimaryColor: carbonioWebUiDarkPrimaryColorConfig,
+			loaded: true
+		}));
+
+		useAccountStore.setState(
+			produce((state) => {
+				state.settings.props = [
+					{ name: DARK_READER_PROP_KEY, zimlet: SHELL_APP_ID, _content: 'disabled' }
+				];
+			})
+		);
+
+		setup(<PrimaryColorComponent />);
+
+		expect(await screen.findByText(`color: ${carbonioWebUiDarkPrimaryColorConfig}`)).toBeVisible();
+	});
+
+	it('should use localStore color as fallback until config color is received', async () => {
+		const localStorageColor = '#aabbaa';
+		const mockUseLocalStorage = jest.spyOn(useLocalStorage, 'useLocalStorage');
+
+		mockUseLocalStorage.mockReturnValue([{ light: localStorageColor }, jest.fn()]);
+
+		setup(<PrimaryColorComponent />);
+
+		expect(await screen.findByText(`color: ${localStorageColor}`)).toBeVisible();
+
+		const carbonioWebUiPrimaryColorConfig = '#bbbbbb';
+		const carbonioWebUiDarkPrimaryColorConfig = '#cccccc';
+		act(() => {
+			useLoginConfigStore.setState((s) => ({
+				...s,
+				carbonioWebUiPrimaryColor: carbonioWebUiPrimaryColorConfig,
+				carbonioWebUiDarkPrimaryColor: carbonioWebUiDarkPrimaryColorConfig,
+				loaded: true
+			}));
+
+			useAccountStore.setState(
+				produce((state) => {
+					state.settings.props = [
+						{ name: DARK_READER_PROP_KEY, zimlet: SHELL_APP_ID, _content: 'disabled' }
+					];
+				})
+			);
+		});
+		expect(await screen.findByText(`color: ${carbonioWebUiPrimaryColorConfig}`)).toBeVisible();
+	});
+
+	it('should use localStore color as fallback until configs are received and return undefined if carbonioWebUiPrimaryColor is not received', async () => {
+		const localStorageColor = '#aabbaa';
+		const mockUseLocalStorage = jest.spyOn(useLocalStorage, 'useLocalStorage');
+
+		mockUseLocalStorage.mockReturnValue([{ light: localStorageColor }, jest.fn()]);
+
+		setup(<PrimaryColorComponent />);
+
+		expect(await screen.findByText(`color: ${localStorageColor}`)).toBeVisible();
+
+		act(() => {
+			useLoginConfigStore.setState((s) => ({
+				...s,
+				loaded: true
+			}));
+
+			useAccountStore.setState(
+				produce((state) => {
+					state.settings.props = [
+						{ name: DARK_READER_PROP_KEY, zimlet: SHELL_APP_ID, _content: 'disabled' }
+					];
+				})
+			);
+		});
+		expect(await screen.findByText(`color: undefined`)).toBeVisible();
+	});
+});
diff --git a/src/boot/use-get-primary-color.tsx b/src/boot/use-get-primary-color.tsx
index 3c127803..d9940c5a 100644
--- a/src/boot/use-get-primary-color.tsx
+++ b/src/boot/use-get-primary-color.tsx
@@ -5,7 +5,6 @@
  */
 import { useEffect, useMemo } from 'react';
 
-import { useTheme } from '@zextras/carbonio-design-system';
 import { size } from 'lodash';
 
 import { LOCAL_STORAGE_LAST_PRIMARY_KEY } from '../constants';
@@ -17,9 +16,9 @@ export function useGetPrimaryColor(): string | undefined {
 	const [localStorageLastPrimary, setLocalStorageLastPrimary] = useLocalStorage<
 		Partial<Record<'dark' | 'light', string>> | undefined
 	>(LOCAL_STORAGE_LAST_PRIMARY_KEY, undefined);
-	const { carbonioWebUiPrimaryColor, carbonioWebUiDarkPrimaryColor } = useLoginConfigStore();
+	const { carbonioWebUiPrimaryColor, carbonioWebUiDarkPrimaryColor, loaded } =
+		useLoginConfigStore();
 	const { darkModeEnabled, darkReaderStatus } = useDarkMode();
-	const theme = useTheme();
 
 	const primaryColor = useMemo(() => {
 		if (
@@ -31,24 +30,21 @@ export function useGetPrimaryColor(): string | undefined {
 			}
 			return carbonioWebUiPrimaryColor || carbonioWebUiDarkPrimaryColor;
 		}
-		if (localStorageLastPrimary && size(localStorageLastPrimary) > 0) {
+		if (localStorageLastPrimary && size(localStorageLastPrimary) > 0 && !loaded) {
 			return (
 				(darkModeEnabled && (localStorageLastPrimary.dark || localStorageLastPrimary.light)) ||
 				localStorageLastPrimary.light ||
 				localStorageLastPrimary.dark
 			);
 		}
-		if (theme) {
-			return theme.palette.primary.regular;
-		}
 		return undefined;
 	}, [
 		carbonioWebUiDarkPrimaryColor,
 		carbonioWebUiPrimaryColor,
 		darkModeEnabled,
 		darkReaderStatus,
-		localStorageLastPrimary,
-		theme
+		loaded,
+		localStorageLastPrimary
 	]);
 
 	useEffect(() => {