diff --git a/Mac/Components/Shared/Extensions/CGColor.swift b/Mac/Components/Shared/Extensions/CGColor.swift
new file mode 100644
index 0000000..27d627c
--- /dev/null
+++ b/Mac/Components/Shared/Extensions/CGColor.swift
@@ -0,0 +1,14 @@
+//
+//  NSColor.swift
+//  Persephone
+//
+//  Created by Daniel Barber on 2019/2/16.
+//  Copyright © 2019 Dan Barber. All rights reserved.
+//
+
+import CoreGraphics
+
+extension CGColor {
+  static let albumBorderColorLight = CGColor.black.copy(alpha: 0.15)
+  static let albumBorderColorDark = CGColor.white.copy(alpha: 0.15)
+}
diff --git a/Shared/Extensions/CGColor.swift b/iOS/Components/Shared/Extensions/CGColor.swift
similarity index 100%
rename from Shared/Extensions/CGColor.swift
rename to iOS/Components/Shared/Extensions/CGColor.swift