diff --git a/src/ImageSharp/Color/Color.NamedColors.cs b/src/ImageSharp/Color/Color.NamedColors.cs
index 8811516c1c..0575a3e99e 100644
--- a/src/ImageSharp/Color/Color.NamedColors.cs
+++ b/src/ImageSharp/Color/Color.NamedColors.cs
@@ -174,9 +174,9 @@ namespace SixLabors.ImageSharp
         public static readonly Color DarkSalmon = FromRgba(233, 150, 122, 255);
 
         /// <summary>
-        /// Represents a <see paramref="Color"/> matching the W3C definition that has an hex value of #8FBC8B.
+        /// Represents a <see paramref="Color"/> matching the W3C definition that has an hex value of #8FBC8F.
         /// </summary>
-        public static readonly Color DarkSeaGreen = FromRgba(143, 188, 139, 255);
+        public static readonly Color DarkSeaGreen = FromRgba(143, 188, 143, 255);
 
         /// <summary>
         /// Represents a <see paramref="Color"/> matching the W3C definition that has an hex value of #483D8B.
@@ -718,4 +718,4 @@ namespace SixLabors.ImageSharp
         /// </summary>
         public static readonly Color YellowGreen = FromRgba(154, 205, 50, 255);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Images/External b/tests/Images/External
index 58b2c01f9b..1d3d4e3652 160000
--- a/tests/Images/External
+++ b/tests/Images/External
@@ -1 +1 @@
-Subproject commit 58b2c01f9b66dd42d2b5b040b85e6846083b5e5f
+Subproject commit 1d3d4e3652dc95bd8bd420346bfe0f189addc587