// C# Extension Method
// Doc: https://csharp-extension.com/en/method/1002692/color-tohtml
// @nuget: Z.ExtensionMethods
using System;
using System.Drawing;
public class Program
{
public static void Main()
Color myColor = Color.Red;
//C# Extension Method: Color - ToHtml
string htmlColor = myColor.ToHtml();
Console.WriteLine(htmlColor);
}