diff --git a/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceController.java b/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceController.java
index 156b9421765..81c5e123235 100644
--- a/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceController.java
+++ b/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceController.java
@@ -18,6 +18,7 @@ package com.android.settings.accessibility;
 
 import android.content.Context;
 import android.hardware.display.ColorDisplayManager;
+import android.provider.Settings;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
@@ -28,7 +29,6 @@ import com.android.settings.widget.SeekBarPreference;
 /** PreferenceController for feature intensity. */
 public class ReduceBrightColorsIntensityPreferenceController extends SliderPreferenceController {
 
-    private static final int INVERSE_PERCENTAGE_BASE = 100;
     private final ColorDisplayManager mColorDisplayManager;
 
     public ReduceBrightColorsIntensityPreferenceController(Context context, String key) {
@@ -58,7 +58,6 @@ public class ReduceBrightColorsIntensityPreferenceController extends SliderPrefe
         updateState(preference);
     }
 
-
     @Override
     public final void updateState(Preference preference) {
         super.updateState(preference);
@@ -67,24 +66,28 @@ public class ReduceBrightColorsIntensityPreferenceController extends SliderPrefe
 
     @Override
     public int getSliderPosition() {
-        return INVERSE_PERCENTAGE_BASE - mColorDisplayManager.getReduceBrightColorsStrength();
+        final int settingValue = Settings.Secure.getInt(
+                mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_LEVEL,
+                /* fallback= */ 0);
+
+        return getMax() - settingValue;
     }
 
     @Override
     public boolean setSliderPosition(int position) {
-        return mColorDisplayManager.setReduceBrightColorsStrength(
-                INVERSE_PERCENTAGE_BASE - position);
+        return Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_LEVEL,
+                getMax() - position);
     }
 
     @Override
     public int getMax() {
-        return INVERSE_PERCENTAGE_BASE
-                - ColorDisplayManager.getMinimumReduceBrightColorsStrength(mContext);
+        return 100;
     }
 
     @Override
     public int getMin() {
-        return INVERSE_PERCENTAGE_BASE
-                - ColorDisplayManager.getMaximumReduceBrightColorsStrength(mContext);
+        return 0;
     }
 }
diff --git a/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java b/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java
index 96d9583a9f7..bc4709bca11 100644
--- a/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java
+++ b/tests/unit/src/com/android/settings/accessibility/ReduceBrightColorsIntensityPreferenceControllerTest.java
@@ -188,15 +188,24 @@ public class ReduceBrightColorsIntensityPreferenceControllerTest {
                 .isEqualTo(80);
     }
 
+    // Slider range should represent percentage.
     @Test
-    public void rangeOfSlider_staysWithinValidRange() {
-        when(mResources.getInteger(
-                R.integer.config_reduceBrightColorsStrengthMax)).thenReturn(90);
-        when(mResources.getInteger(
-                R.integer.config_reduceBrightColorsStrengthMin)).thenReturn(15);
-        assertThat(mPreferenceController.getMax()).isEqualTo(85);
-        assertThat(mPreferenceController.getMin()).isEqualTo(10);
+    public void rangeOfSlider_isPercentage() {
+        assertThat(mPreferenceController.getMax()).isEqualTo(100);
+        assertThat(mPreferenceController.getMin()).isEqualTo(0);
         assertThat(mPreferenceController.getMax() - mPreferenceController.getMin())
-                .isEqualTo(75);
+                .isEqualTo(100);
+    }
+
+    // Slider should be of range 100 - 0.
+    @Test
+    public void rangeOfSlider_isInverted() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.REDUCE_BRIGHT_COLORS_ACTIVATED, 1);
+        mPreferenceController.onPreferenceChange(/* preference= */ null, 2);
+        assertThat(
+                Settings.Secure.getInt(mContext.getContentResolver(),
+                        Settings.Secure.REDUCE_BRIGHT_COLORS_LEVEL, 0))
+                .isEqualTo(98);
     }
 }