From e5cde119eaa2bc46e845f92cf2446faef0d69f02 Mon Sep 17 00:00:00 2001
From: punker76 <punkerat76@gmail.com>
Date: Fri, 4 Dec 2020 23:27:54 +0100
Subject: [PATCH] (GH-3991) Fix adding colors to recent colors by
 AddColorToRecentColors

---
 .../Controls/ColorPicker/BuildInColorPalettes.cs              | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/MahApps.Metro/Controls/ColorPicker/BuildInColorPalettes.cs b/src/MahApps.Metro/Controls/ColorPicker/BuildInColorPalettes.cs
index 9a81a3839e..83e4cedc8c 100644
--- a/src/MahApps.Metro/Controls/ColorPicker/BuildInColorPalettes.cs
+++ b/src/MahApps.Metro/Controls/ColorPicker/BuildInColorPalettes.cs
@@ -51,11 +51,11 @@ public static void AddColorToRecentColors(Color? color, IEnumerable recentColors
             if (recentColors is ObservableCollection<Color?> collection)
             {
                 var oldIndex = collection.IndexOf(color);
-                if (oldIndex > -1)
+                if (oldIndex > 0)
                 {
                     collection.Move(oldIndex, 0);
                 }
-                else
+                else if (oldIndex < 0)
                 {
                     if (collection.Count >= maxCount)
                     {