Rename 'channel' to 'component'

src/Avalonia.Controls.ColorPicker/Converters/AccentColorConverter.cs

@@ -12,7 +12,7 @@ namespace Avalonia.Controls.Primitives.Converters
     public class AccentColorConverter : IValueConverter
     {
         /// <summary>
-        /// The amount to change the Value channel for each accent color step.
+        /// The amount to change the Value component for each accent color step.
         /// </summary>
         public const double ValueDelta = 0.1;
 

src/Avalonia.Controls.ColorPicker/Converters/ColorToDisplayNameConverter.cs

@@ -42,7 +42,7 @@ namespace Avalonia.Controls.Converters
                 return AvaloniaProperty.UnsetValue;
             }
 
-            // ColorHelper.ToDisplayName ignores the alpha channel value
+            // ColorHelper.ToDisplayName ignores the alpha component
             // This means fully transparent colors will be named as a real color
             // That undesirable behavior is specially overridden here
             if (color.A == 0x00)