diff --git a/apps/browser/src/autofill/deprecated/overlay/iframe-content/autofill-overlay-iframe.service.deprecated.ts b/apps/browser/src/autofill/deprecated/overlay/iframe-content/autofill-overlay-iframe.service.deprecated.ts
index c9225b21ff..fa43c92817 100644
--- a/apps/browser/src/autofill/deprecated/overlay/iframe-content/autofill-overlay-iframe.service.deprecated.ts
+++ b/apps/browser/src/autofill/deprecated/overlay/iframe-content/autofill-overlay-iframe.service.deprecated.ts
@@ -1,5 +1,5 @@
 import { EVENTS } from "@bitwarden/common/autofill/constants";
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { ThemeTypes } from "@bitwarden/common/platform/enums";
 
 import { setElementStyles } from "../../../utils";
 import {
@@ -210,19 +210,19 @@ class AutofillOverlayIframeService implements AutofillOverlayIframeServiceInterf
     const { theme } = message;
     let borderColor: string;
     let verifiedTheme = theme;
-    if (verifiedTheme === ThemeType.System) {
+    if (verifiedTheme === ThemeTypes.System) {
       verifiedTheme = globalThis.matchMedia("(prefers-color-scheme: dark)").matches
-        ? ThemeType.Dark
-        : ThemeType.Light;
+        ? ThemeTypes.Dark
+        : ThemeTypes.Light;
     }
 
-    if (verifiedTheme === ThemeType.Dark) {
+    if (verifiedTheme === ThemeTypes.Dark) {
       borderColor = "#4c525f";
     }
-    if (theme === ThemeType.Nord) {
+    if (theme === ThemeTypes.Nord) {
       borderColor = "#2E3440";
     }
-    if (theme === ThemeType.SolarizedDark) {
+    if (theme === ThemeTypes.SolarizedDark) {
       borderColor = "#073642";
     }
     if (borderColor) {
diff --git a/apps/browser/src/autofill/notification/abstractions/notification-bar.ts b/apps/browser/src/autofill/notification/abstractions/notification-bar.ts
index 6dfcac4abe..425d53783e 100644
--- a/apps/browser/src/autofill/notification/abstractions/notification-bar.ts
+++ b/apps/browser/src/autofill/notification/abstractions/notification-bar.ts
@@ -1,7 +1,9 @@
+import { Theme } from "@bitwarden/common/platform/enums";
+
 type NotificationBarIframeInitData = {
   type?: string;
   isVaultLocked?: boolean;
-  theme?: string;
+  theme?: Theme;
   removeIndividualVault?: boolean;
   importType?: string;
   applyRedesign?: boolean;
diff --git a/apps/browser/src/autofill/notification/bar.ts b/apps/browser/src/autofill/notification/bar.ts
index 3965ddfbce..3c62529731 100644
--- a/apps/browser/src/autofill/notification/bar.ts
+++ b/apps/browser/src/autofill/notification/bar.ts
@@ -1,4 +1,4 @@
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { ThemeTypes } from "@bitwarden/common/platform/enums";
 import { ConsoleLogService } from "@bitwarden/common/platform/services/console-log.service";
 import type { FolderView } from "@bitwarden/common/vault/models/view/folder.view";
 
@@ -392,10 +392,10 @@ function setupLogoLink(i18n: Record<string, string>) {
 
 function setNotificationBarTheme() {
   let theme = notificationBarIframeInitData.theme;
-  if (theme === ThemeType.System) {
+  if (theme === ThemeTypes.System) {
     theme = globalThis.matchMedia("(prefers-color-scheme: dark)").matches
-      ? ThemeType.Dark
-      : ThemeType.Light;
+      ? ThemeTypes.Dark
+      : ThemeTypes.Light;
   }
 
   document.documentElement.classList.add(`theme_${theme}`);
diff --git a/apps/browser/src/autofill/overlay/inline-menu/iframe-content/autofill-inline-menu-iframe.service.ts b/apps/browser/src/autofill/overlay/inline-menu/iframe-content/autofill-inline-menu-iframe.service.ts
index 5debf68497..b13db89ff5 100644
--- a/apps/browser/src/autofill/overlay/inline-menu/iframe-content/autofill-inline-menu-iframe.service.ts
+++ b/apps/browser/src/autofill/overlay/inline-menu/iframe-content/autofill-inline-menu-iframe.service.ts
@@ -1,5 +1,5 @@
 import { EVENTS } from "@bitwarden/common/autofill/constants";
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { ThemeTypes } from "@bitwarden/common/platform/enums";
 
 import { sendExtensionMessage, setElementStyles } from "../../../utils";
 import {
@@ -239,19 +239,19 @@ export class AutofillInlineMenuIframeService implements AutofillInlineMenuIframe
     const { theme } = message;
     let borderColor: string;
     let verifiedTheme = theme;
-    if (verifiedTheme === ThemeType.System) {
+    if (verifiedTheme === ThemeTypes.System) {
       verifiedTheme = globalThis.matchMedia("(prefers-color-scheme: dark)").matches
-        ? ThemeType.Dark
-        : ThemeType.Light;
+        ? ThemeTypes.Dark
+        : ThemeTypes.Light;
     }
 
-    if (verifiedTheme === ThemeType.Dark) {
+    if (verifiedTheme === ThemeTypes.Dark) {
       borderColor = "#4c525f";
     }
-    if (theme === ThemeType.Nord) {
+    if (theme === ThemeTypes.Nord) {
       borderColor = "#2E3440";
     }
-    if (theme === ThemeType.SolarizedDark) {
+    if (theme === ThemeTypes.SolarizedDark) {
       borderColor = "#073642";
     }
     if (borderColor) {
diff --git a/apps/browser/src/autofill/overlay/notifications/abstractions/overlay-notifications-content.service.ts b/apps/browser/src/autofill/overlay/notifications/abstractions/overlay-notifications-content.service.ts
index c97acd15d4..82c03cacad 100644
--- a/apps/browser/src/autofill/overlay/notifications/abstractions/overlay-notifications-content.service.ts
+++ b/apps/browser/src/autofill/overlay/notifications/abstractions/overlay-notifications-content.service.ts
@@ -1,6 +1,8 @@
+import { Theme } from "@bitwarden/common/platform/enums";
+
 export type NotificationTypeData = {
   isVaultLocked?: boolean;
-  theme?: string;
+  theme?: Theme;
   removeIndividualVault?: boolean;
   importType?: string;
   launchTimestamp?: number;
diff --git a/apps/browser/src/autofill/spec/autofill-mocks.ts b/apps/browser/src/autofill/spec/autofill-mocks.ts
index a570119c72..a4b6d70009 100644
--- a/apps/browser/src/autofill/spec/autofill-mocks.ts
+++ b/apps/browser/src/autofill/spec/autofill-mocks.ts
@@ -2,7 +2,7 @@ import { mock } from "jest-mock-extended";
 
 import { AuthenticationStatus } from "@bitwarden/common/auth/enums/authentication-status";
 import { UriMatchStrategy } from "@bitwarden/common/models/domain/domain-service";
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { ThemeTypes } from "@bitwarden/common/platform/enums";
 import { CipherType } from "@bitwarden/common/vault/enums";
 import { CipherRepromptType } from "@bitwarden/common/vault/enums/cipher-reprompt-type";
 import { CipherView } from "@bitwarden/common/vault/models/view/cipher.view";
@@ -210,7 +210,7 @@ export function createInitAutofillInlineMenuListMessageMock(
     command: "initAutofillInlineMenuList",
     translations: overlayPagesTranslations,
     styleSheetUrl: "https://jest-testing-website.com",
-    theme: ThemeType.Light,
+    theme: ThemeTypes.Light,
     authStatus: AuthenticationStatus.Unlocked,
     portKey: "portKey",
     inlineMenuFillType: CipherType.Login,
diff --git a/libs/angular/src/platform/services/theming/angular-theming.service.ts b/libs/angular/src/platform/services/theming/angular-theming.service.ts
index e8b78c90c4..2073abdcd1 100644
--- a/libs/angular/src/platform/services/theming/angular-theming.service.ts
+++ b/libs/angular/src/platform/services/theming/angular-theming.service.ts
@@ -1,7 +1,7 @@
 import { Inject, Injectable } from "@angular/core";
 import { fromEvent, map, merge, Observable, of, Subscription, switchMap } from "rxjs";
 
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { ThemeTypes, Theme } from "@bitwarden/common/platform/enums";
 import { ThemeStateService } from "@bitwarden/common/platform/theming/theme-state.service";
 
 import { SYSTEM_THEME_OBSERVABLE } from "../../../services/injection-tokens";
@@ -15,7 +15,7 @@ export class AngularThemingService implements AbstractThemingService {
    * @param window The window that should be watched for system theme changes.
    * @returns An observable that will track the system theme.
    */
-  static createSystemThemeFromWindow(window: Window): Observable<ThemeType> {
+  static createSystemThemeFromWindow(window: Window): Observable<Theme> {
     return merge(
       // This observable should always emit at least once, so go and get the current system theme designation
       of(AngularThemingService.getSystemThemeFromWindow(window)),
@@ -23,7 +23,7 @@ export class AngularThemingService implements AbstractThemingService {
       fromEvent<MediaQueryListEvent>(
         window.matchMedia("(prefers-color-scheme: dark)"),
         "change",
-      ).pipe(map((event) => (event.matches ? ThemeType.Dark : ThemeType.Light))),
+      ).pipe(map((event) => (event.matches ? ThemeTypes.Dark : ThemeTypes.Light))),
     );
   }
 
@@ -32,15 +32,15 @@ export class AngularThemingService implements AbstractThemingService {
    * @param window The window to query for the current theme.
    * @returns The active system theme.
    */
-  static getSystemThemeFromWindow(window: Window): ThemeType {
+  static getSystemThemeFromWindow(window: Window): Theme {
     return window.matchMedia("(prefers-color-scheme: dark)").matches
-      ? ThemeType.Dark
-      : ThemeType.Light;
+      ? ThemeTypes.Dark
+      : ThemeTypes.Light;
   }
 
   readonly theme$ = this.themeStateService.selectedTheme$.pipe(
     switchMap((configuredTheme) => {
-      if (configuredTheme === ThemeType.System) {
+      if (configuredTheme === ThemeTypes.System) {
         return this.systemTheme$;
       }
 
@@ -51,16 +51,16 @@ export class AngularThemingService implements AbstractThemingService {
   constructor(
     private themeStateService: ThemeStateService,
     @Inject(SYSTEM_THEME_OBSERVABLE)
-    private systemTheme$: Observable<ThemeType>,
+    private systemTheme$: Observable<Theme>,
   ) {}
 
   applyThemeChangesTo(document: Document): Subscription {
     return this.theme$.subscribe((theme) => {
       document.documentElement.classList.remove(
-        "theme_" + ThemeType.Light,
-        "theme_" + ThemeType.Dark,
-        "theme_" + ThemeType.Nord,
-        "theme_" + ThemeType.SolarizedDark,
+        "theme_" + ThemeTypes.Light,
+        "theme_" + ThemeTypes.Dark,
+        "theme_" + ThemeTypes.Nord,
+        "theme_" + ThemeTypes.SolarizedDark,
       );
       document.documentElement.classList.add("theme_" + theme);
     });
diff --git a/libs/angular/src/platform/services/theming/theming.service.abstraction.ts b/libs/angular/src/platform/services/theming/theming.service.abstraction.ts
index 4306d312c5..bb0a2ed672 100644
--- a/libs/angular/src/platform/services/theming/theming.service.abstraction.ts
+++ b/libs/angular/src/platform/services/theming/theming.service.abstraction.ts
@@ -1,6 +1,6 @@
 import { Observable, Subscription } from "rxjs";
 
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { Theme } from "@bitwarden/common/platform/enums";
 
 /**
  * A service for managing and observing the current application theme.
@@ -9,9 +9,9 @@ import { ThemeType } from "@bitwarden/common/platform/enums";
 export abstract class AbstractThemingService {
   /**
    * The effective theme based on the user configured choice and the current system theme if
-   * the configured choice is {@link ThemeType.System}.
+   * the configured choice is {@link ThemeTypes.System}.
    */
-  abstract theme$: Observable<ThemeType>;
+  abstract theme$: Observable<Theme>;
   /**
    * Listens for effective theme changes and applies changes to the provided document.
    * @param document The document that should have theme classes applied to it.
diff --git a/libs/angular/src/services/injection-tokens.ts b/libs/angular/src/services/injection-tokens.ts
index 572d26ffc0..86c5642a0c 100644
--- a/libs/angular/src/services/injection-tokens.ts
+++ b/libs/angular/src/services/injection-tokens.ts
@@ -8,7 +8,7 @@ import {
   AbstractStorageService,
   ObservableStorageService,
 } from "@bitwarden/common/platform/abstractions/storage.service";
-import { ThemeType } from "@bitwarden/common/platform/enums";
+import { Theme } from "@bitwarden/common/platform/enums";
 import { StateFactory } from "@bitwarden/common/platform/factories/state-factory";
 import { Message } from "@bitwarden/common/platform/messaging";
 import { VaultTimeout } from "@bitwarden/common/types/vault-timeout.type";
@@ -47,7 +47,7 @@ export const SUPPORTS_SECURE_STORAGE = new SafeInjectionToken<boolean>("SUPPORTS
 export const LOCALES_DIRECTORY = new SafeInjectionToken<string>("LOCALES_DIRECTORY");
 export const SYSTEM_LANGUAGE = new SafeInjectionToken<string>("SYSTEM_LANGUAGE");
 export const LOG_MAC_FAILURES = new SafeInjectionToken<boolean>("LOG_MAC_FAILURES");
-export const SYSTEM_THEME_OBSERVABLE = new SafeInjectionToken<Observable<ThemeType>>(
+export const SYSTEM_THEME_OBSERVABLE = new SafeInjectionToken<Observable<Theme>>(
   "SYSTEM_THEME_OBSERVABLE",
 );
 export const DEFAULT_VAULT_TIMEOUT = new SafeInjectionToken<VaultTimeout>("DEFAULT_VAULT_TIMEOUT");
diff --git a/libs/common/src/platform/enums/theme-type.enum.ts b/libs/common/src/platform/enums/theme-type.enum.ts
index 8afca77098..5e1a0c21c3 100644
--- a/libs/common/src/platform/enums/theme-type.enum.ts
+++ b/libs/common/src/platform/enums/theme-type.enum.ts
@@ -1,3 +1,6 @@
+/**
+ * @deprecated prefer the `ThemeTypes` constants and `Theme` type over unsafe enum types
+ **/
 export enum ThemeType {
   System = "system",
   Light = "light",
@@ -5,3 +8,13 @@ export enum ThemeType {
   Nord = "nord",
   SolarizedDark = "solarizedDark",
 }
+
+export const ThemeTypes = {
+  System: "system",
+  Light: "light",
+  Dark: "dark",
+  Nord: "nord",
+  SolarizedDark: "solarizedDark",
+} as const;
+
+export type Theme = (typeof ThemeTypes)[keyof typeof ThemeTypes];