diff --git a/src/modules/colorPicker/ColorPickerUI.UnitTests/Mouse/DisplayRefreshRateTest.cs b/src/modules/colorPicker/ColorPickerUI.UnitTests/Mouse/DisplayRefreshRateTest.cs
new file mode 100644
index 0000000000..58f6cc1237
--- /dev/null
+++ b/src/modules/colorPicker/ColorPickerUI.UnitTests/Mouse/DisplayRefreshRateTest.cs
@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using ColorPicker.Mouse;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace ColorPicker.UnitTests.Mouse
+{
+    [TestClass]
+    public class DisplayRefreshRateTest
+    {
+        [TestMethod]
+        [DataRow(0, 60.0)]
+        [DataRow(1, 60.0)]
+        [DataRow(60, 60.0)]
+        [DataRow(144, 144.0)]
+        public void GetDisplayRefreshRateOrDefault_HandlesDefaultRefreshRateSentinels(int displayFrequency, double expectedRefreshRate)
+        {
+            Assert.AreEqual(expectedRefreshRate, MouseInfoProvider.GetDisplayRefreshRateOrDefault((uint)displayFrequency));
+        }
+    }
+}
diff --git a/src/modules/colorPicker/ColorPickerUI/Bootstrapper.cs b/src/modules/colorPicker/ColorPickerUI/Bootstrapper.cs
index 2aa4e273ad..c6c333a27b 100644
--- a/src/modules/colorPicker/ColorPickerUI/Bootstrapper.cs
+++ b/src/modules/colorPicker/ColorPickerUI/Bootstrapper.cs
@@ -7,6 +7,7 @@ using System.ComponentModel.Composition.Hosting;
 using System.Runtime.CompilerServices;
 
 [assembly: InternalsVisibleTo("UnitTest-ColorPickerUI")]
+[assembly: InternalsVisibleTo("ColorPickerUI.UnitTests")]
 
 namespace ColorPicker
 {
diff --git a/src/modules/colorPicker/ColorPickerUI/Mouse/MouseInfoProvider.cs b/src/modules/colorPicker/ColorPickerUI/Mouse/MouseInfoProvider.cs
index 4d6596bc3f..e58bc3bc58 100644
--- a/src/modules/colorPicker/ColorPickerUI/Mouse/MouseInfoProvider.cs
+++ b/src/modules/colorPicker/ColorPickerUI/Mouse/MouseInfoProvider.cs
@@ -21,6 +21,8 @@ namespace ColorPicker.Mouse
     [PartCreationPolicy(CreationPolicy.Shared)]
     public class MouseInfoProvider : IMouseInfoProvider
     {
+        private const double DefaultDisplayRefreshRate = 60.0;
+
         private readonly double _mousePullInfoIntervalInMs;
         private readonly DispatcherTimer _timer = new DispatcherTimer();
         private readonly MouseHook _mouseHook;
@@ -123,13 +125,13 @@ namespace ColorPicker.Mouse
 
         private static double GetMainDisplayRefreshRate()
         {
-            double refreshRate = 60.0;
+            double refreshRate = DefaultDisplayRefreshRate;
 
             foreach (var monitor in MonitorResolutionHelper.AllMonitors)
             {
                 if (monitor.IsPrimary && EnumDisplaySettingsW(monitor.Name, ENUM_CURRENT_SETTINGS, out DEVMODEW lpDevMode))
                 {
-                    refreshRate = (double)lpDevMode.dmDisplayFrequency;
+                    refreshRate = GetDisplayRefreshRateOrDefault(lpDevMode.dmDisplayFrequency);
                     break;
                 }
             }
@@ -137,6 +139,10 @@ namespace ColorPicker.Mouse
             return refreshRate;
         }
 
+        // EnumDisplaySettings uses 0 and 1 to represent the hardware default refresh rate.
+        internal static double GetDisplayRefreshRateOrDefault(uint displayFrequency)
+            => displayFrequency > 1 ? displayFrequency : DefaultDisplayRefreshRate;
+
         private void AppStateMonitor_AppClosed(object sender, EventArgs e)
         {
             DisposeHook();