Removing unnecessary GetHashCode indirection.

src/ImageSharp/Colors/Spaces/Bgra32.cs

@@ -133,7 +133,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -152,16 +152,5 @@ namespace ImageSharp.Colors.Spaces
         {
             return this.backingVector.Equals(other.backingVector);
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="Bgra32"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(Bgra32 color) => color.backingVector.GetHashCode();
     }
 }

src/ImageSharp/Colors/Spaces/CieLab.cs

@@ -138,7 +138,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -178,16 +178,5 @@ namespace ImageSharp.Colors.Spaces
                 && result.Y < precision
                 && result.Z < precision;
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="CieLab"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(CieLab color) => color.backingVector.GetHashCode();
     }
 }

src/ImageSharp/Colors/Spaces/CieXyz.cs

@@ -129,7 +129,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -169,16 +169,5 @@ namespace ImageSharp.Colors.Spaces
                 && result.Y < precision
                 && result.Z < precision;
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="Hsv"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(CieXyz color) => color.backingVector.GetHashCode();
     }
 }

src/ImageSharp/Colors/Spaces/Cmyk.cs

@@ -139,7 +139,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -180,16 +180,5 @@ namespace ImageSharp.Colors.Spaces
                 && result.Z < precision
                 && result.W < precision;
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="Cmyk"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(Cmyk color) => color.backingVector.GetHashCode();
     }
 }

src/ImageSharp/Colors/Spaces/Hsl.cs

@@ -158,7 +158,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -198,16 +198,5 @@ namespace ImageSharp.Colors.Spaces
                 && result.Y < precision
                 && result.Z < precision;
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="Hsl"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(Hsl color) => color.backingVector.GetHashCode();
     }
 }

src/ImageSharp/Colors/Spaces/Hsv.cs

@@ -151,7 +151,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -191,16 +191,5 @@ namespace ImageSharp.Colors.Spaces
                 && result.Y < precision
                 && result.Z < precision;
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="Hsv"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(Hsv color) => color.backingVector.GetHashCode();
     }
 }

src/ImageSharp/Colors/Spaces/YCbCr.cs

@@ -121,7 +121,7 @@ namespace ImageSharp.Colors.Spaces
         /// <inheritdoc/>
         public override int GetHashCode()
         {
-            return GetHashCode(this);
+            return this.backingVector.GetHashCode();
         }
 
         /// <inheritdoc/>
@@ -151,16 +151,5 @@ namespace ImageSharp.Colors.Spaces
         {
             return this.backingVector.Equals(other.backingVector);
         }
-
-        /// <summary>
-        /// Returns the hash code for this instance.
-        /// </summary>
-        /// <param name="color">
-        /// The instance of <see cref="YCbCr"/> to return the hash code for.
-        /// </param>
-        /// <returns>
-        /// A 32-bit signed integer that is the hash code for this instance.
-        /// </returns>
-        private static int GetHashCode(YCbCr color) => color.backingVector.GetHashCode();
     }
 }