diff --git a/.github/actions/spell-check/expect.txt b/.github/actions/spell-check/expect.txt
index 09f024255..5417a6744 100644
--- a/.github/actions/spell-check/expect.txt
+++ b/.github/actions/spell-check/expect.txt
@@ -655,6 +655,7 @@ finalizer
 findfast
 findstr
 FIXEDFILEINFO
+FFAA
 FLASHZONES
 FLASHZONESONQUICKSWITCH
 flt
diff --git a/src/modules/colorPicker/ColorPickerUI/Helpers/ColorRepresentationHelper.cs b/src/modules/colorPicker/ColorPickerUI/Helpers/ColorRepresentationHelper.cs
index e7bbbf1f9..8fafa440c 100644
--- a/src/modules/colorPicker/ColorPickerUI/Helpers/ColorRepresentationHelper.cs
+++ b/src/modules/colorPicker/ColorPickerUI/Helpers/ColorRepresentationHelper.cs
@@ -77,7 +77,7 @@ namespace ColorPicker.Helpers
         /// <param name="color">The see cref="Color"/> for the hexadecimal presentation</param>
         /// <returns>A hexadecimal <see cref="string"/> representation of a RGB color</returns>
         private static string ColorToHex(Color color)
-            => $"#{color.R.ToString("X2", CultureInfo.InvariantCulture)}"
+            => $"{color.R.ToString("X2", CultureInfo.InvariantCulture)}"
              + $"{color.G.ToString("X2", CultureInfo.InvariantCulture)}"
              + $"{color.B.ToString("X2", CultureInfo.InvariantCulture)}";
 
diff --git a/src/modules/colorPicker/ColorPickerUI/ViewModels/ColorEditorViewModel.cs b/src/modules/colorPicker/ColorPickerUI/ViewModels/ColorEditorViewModel.cs
index 03966566b..87ed3edae 100644
--- a/src/modules/colorPicker/ColorPickerUI/ViewModels/ColorEditorViewModel.cs
+++ b/src/modules/colorPicker/ColorPickerUI/ViewModels/ColorEditorViewModel.cs
@@ -148,7 +148,9 @@ namespace ColorPicker.ViewModels
                 new ColorFormatModel()
                 {
                     FormatName = ColorRepresentationType.HEX.ToString(),
-                    Convert = (Color color) => { return ColorRepresentationHelper.GetStringRepresentationFromMediaColor(color, ColorRepresentationType.HEX); },
+#pragma warning disable CA1304 // Specify CultureInfo
+                    Convert = (Color color) => { return ColorRepresentationHelper.GetStringRepresentationFromMediaColor(color, ColorRepresentationType.HEX).ToLower(); },
+#pragma warning restore CA1304 // Specify CultureInfo
                 });
 
             _allColorRepresentations.Add(
diff --git a/src/modules/colorPicker/UnitTest-ColorPickerUI/Helpers/ColorRepresentationHelperTest.cs b/src/modules/colorPicker/UnitTest-ColorPickerUI/Helpers/ColorRepresentationHelperTest.cs
index 4030de319..5b1f26f91 100644
--- a/src/modules/colorPicker/UnitTest-ColorPickerUI/Helpers/ColorRepresentationHelperTest.cs
+++ b/src/modules/colorPicker/UnitTest-ColorPickerUI/Helpers/ColorRepresentationHelperTest.cs
@@ -14,7 +14,7 @@ namespace Microsoft.ColorPicker.UnitTests
     {
         [TestMethod]
         [DataRow(ColorRepresentationType.CMYK, "cmyk(0%, 0%, 0%, 100%)")]
-        [DataRow(ColorRepresentationType.HEX, "#000000")]
+        [DataRow(ColorRepresentationType.HEX, "000000")]
         [DataRow(ColorRepresentationType.NCol, "R0, 0%, 100%")]
         [DataRow(ColorRepresentationType.HSB, "hsb(0, 0%, 0%)")]
         [DataRow(ColorRepresentationType.HSI, "hsi(0, 0%, 0%)")]
diff --git a/src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/ViewModels/ColorPickerViewModel.cs b/src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/ViewModels/ColorPickerViewModel.cs
index ba4a75673..e69324ea4 100644
--- a/src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/ViewModels/ColorPickerViewModel.cs
+++ b/src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/ViewModels/ColorPickerViewModel.cs
@@ -45,7 +45,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels
             SelectableColorRepresentations = new Dictionary<ColorRepresentationType, string>
             {
                 { ColorRepresentationType.CMYK, "CMYK - cmyk(100%, 50%, 75%, 0%)" },
-                { ColorRepresentationType.HEX,  "HEX - #FFAA00" },
+                { ColorRepresentationType.HEX,  "HEX - ffaa00" },
                 { ColorRepresentationType.HSB,  "HSB - hsb(100, 50%, 75%)" },
                 { ColorRepresentationType.HSI,  "HSI - hsi(100, 50%, 75%)" },
                 { ColorRepresentationType.HSL,  "HSL - hsl(100, 50%, 75%)" },
@@ -199,7 +199,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library.ViewModels
             var cielabFormatName = ColorRepresentationType.CIELAB.ToString();
             var ciexyzFormatName = ColorRepresentationType.CIEXYZ.ToString();
 
-            formatsUnordered.Add(new ColorFormatModel(hexFormatName, "#EF68FF", visibleFormats.ContainsKey(hexFormatName) && visibleFormats[hexFormatName]));
+            formatsUnordered.Add(new ColorFormatModel(hexFormatName, "ef68ff", visibleFormats.ContainsKey(hexFormatName) && visibleFormats[hexFormatName]));
             formatsUnordered.Add(new ColorFormatModel(rgbFormatName, "rgb(239, 104, 255)", visibleFormats.ContainsKey(rgbFormatName) && visibleFormats[rgbFormatName]));
             formatsUnordered.Add(new ColorFormatModel(hslFormatName, "hsl(294, 100%, 70%)", visibleFormats.ContainsKey(hslFormatName) && visibleFormats[hslFormatName]));
             formatsUnordered.Add(new ColorFormatModel(hsvFormatName, "hsv(294, 59%, 100%)", visibleFormats.ContainsKey(hsvFormatName) && visibleFormats[hsvFormatName]));