diff --git a/React/CoreModules/RCTAppearance.h b/React/CoreModules/RCTAppearance.h
index 085003aa1f..6a1ca700f1 100644
--- a/React/CoreModules/RCTAppearance.h
+++ b/React/CoreModules/RCTAppearance.h
@@ -11,6 +11,7 @@
 #import <React/RCTEventEmitter.h>
 
 RCT_EXTERN void RCTEnableAppearancePreference(BOOL enabled);
+RCT_EXTERN void RCTOverrideAppearancePreference(NSString *const);
 
 @interface RCTAppearance : RCTEventEmitter <RCTBridgeModule>
 @end
diff --git a/React/CoreModules/RCTAppearance.mm b/React/CoreModules/RCTAppearance.mm
index c1c07eecf1..344603323c 100644
--- a/React/CoreModules/RCTAppearance.mm
+++ b/React/CoreModules/RCTAppearance.mm
@@ -23,6 +23,11 @@ void RCTEnableAppearancePreference(BOOL enabled) {
   sAppearancePreferenceEnabled = enabled;
 }
 
+static NSString *sColorSchemeOverride = nil;
+void RCTOverrideAppearancePreference(NSString *const colorSchemeOverride) {
+  sColorSchemeOverride = colorSchemeOverride;
+}
+
 static NSString *RCTColorSchemePreference(UITraitCollection *traitCollection)
 {
 #if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && defined(__IPHONE_13_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_13_0
@@ -30,6 +35,10 @@ static NSString *RCTColorSchemePreference(UITraitCollection *traitCollection)
     static NSDictionary *appearances;
     static dispatch_once_t onceToken;
 
+    if (sColorSchemeOverride) {
+      return sColorSchemeOverride;
+    }
+
     dispatch_once(&onceToken, ^{
       appearances = @{
                       @(UIUserInterfaceStyleLight): RCTAppearanceColorSchemeLight,