Remove readonly keyword from FromHexString in Color (whoops!), add docs to Color.

Voile/Source/Utils/Color.cs

@@ -147,11 +147,28 @@ namespace Voile
         public static readonly Color Yellow = new(0xFFFF00);
         public static readonly Color YellowGreen = new(0x9ACD32);
 
+        /// <summary>
+        /// Red component of this <see cref="Color"/>.
+        /// </summary>
         public byte R { get; set; }
+        /// <summary>
+        /// Green component of this <see cref="Color"/>.
+        /// </summary>
         public byte G { get; set; }
+        /// <summary>
+        /// Blue component of this <see cref="Color"/>.
+        /// </summary>
         public byte B { get; set; }
+        /// <summary>
+        /// Alpha component of this <see cref="Color"/>.
+        /// </summary>/// <summary>
+        /// Gets the color as a 32-bit ARGB integer in the format 0xAARRGGBB.
+        /// </summary>
         public byte A { get; set; } = 255;
 
+        /// <summary>
+        /// Gets the color as a 32-bit ARGB integer in the format 0xAARRGGBB.
+        /// </summary>
         public int Argb
         {
             get
@@ -165,6 +182,13 @@ namespace Voile
             }
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Color"/> struct using float RGB(A) values between 0 and 1.
+        /// </summary>
+        /// <param name="r">The red component (0.0 to 1.0).</param>
+        /// <param name="g">The green component (0.0 to 1.0).</param>
+        /// <param name="b">The blue component (0.0 to 1.0).</param>
+        /// <param name="a">The alpha component (0.0 to 1.0), default is 1.0 (fully opaque).</param>
         public Color(float r, float g, float b, float a = 1.0f)
         {
             R = (byte)Math.Clamp(r * 255, 0, 255);
@@ -173,6 +197,13 @@ namespace Voile
             A = (byte)Math.Clamp(a * 255, 0, 255);
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Color"/> struct using byte RGB(A) values.
+        /// </summary>
+        /// <param name="r">The red component (0 to 255).</param>
+        /// <param name="g">The green component (0 to 255).</param>
+        /// <param name="b">The blue component (0 to 255).</param>
+        /// <param name="a">The alpha component (0 to 255), default is 255 (fully opaque).</param>
         public Color(byte r, byte g, byte b, byte a = 255)
         {
             R = r;
@@ -181,6 +212,13 @@ namespace Voile
             A = a;
         }
 
+        /// <summary>
+        /// Initializes a new instance of the <see cref="Color"/> struct using a hexadecimal value.
+        /// </summary>
+        /// <param name="hex">
+        /// A 24-bit (RRGGBB) or 32-bit (AARRGGBB) integer representing the color.
+        /// Alpha is assumed to be 255 if not included.
+        /// </param>
         public Color(int hex)
         {
             A = 255;  // Default alpha to 255 if not provided
@@ -193,7 +231,13 @@ namespace Voile
             }
         }
 
-        public static readonly Color FromHexString(string hex)
+        /// <summary>
+        /// Parses a color from a hexadecimal string in the format "#RRGGBB" or "#AARRGGBB".
+        /// </summary>
+        /// <param name="hex">The hex string representing the color.</param>
+        /// <returns>A <see cref="Color"/> instance parsed from the string.</returns>
+        /// <exception cref="ArgumentException">Thrown if the format is invalid.</exception>
+        public static Color FromHexString(string hex)
         {
             if (hex.StartsWith("#"))
             {
@@ -216,6 +260,11 @@ namespace Voile
             }
         }
 
+        /// <summary>
+        /// Returns a lightened version of the color by interpolating toward white.
+        /// </summary>
+        /// <param name="amount">A value from 0.0 (no change) to 1.0 (fully white).</param>
+        /// <returns>A lighter <see cref="Color"/>.</returns>
         public Color Lightened(float amount)
         {
             var result = this;
@@ -225,6 +274,11 @@ namespace Voile
             return result;
         }
 
+        /// <summary>
+        /// Returns a darkened version of the color by interpolating toward black.
+        /// </summary>
+        /// <param name="amount">A value from 0.0 (no change) to 1.0 (fully black).</param>
+        /// <returns>A darker <see cref="Color"/>.</returns>
         public Color Darkened(float amount)
         {
             var result = this;
@@ -234,6 +288,10 @@ namespace Voile
             return result;
         }
 
+        /// <summary>
+        /// Converts this color to a <see cref="System.Drawing.Color"/>.
+        /// </summary>
+        /// <returns>A <see cref="System.Drawing.Color"/> with equivalent ARGB values.</returns>
         public System.Drawing.Color ToSystemColor()
         {
             var result = System.Drawing.Color.FromArgb(Argb);