Цветное консольное приложение

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices; // DllImport() 

namespace ColorConsoleApplication1
{
    class Program
    {

        [DllImport("kernel32.dll")]
        public static extern bool SetConsoleTextAttribute(IntPtr hConsoleOutput,
          int wAttributes);
        [DllImport("kernel32.dll")]
        public static extern IntPtr GetStdHandle(uint nStdHandle);

        static void Main(string[] args)
        {
            uint STD_OUTPUT_HANDLE = 0xfffffff5;
            IntPtr hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
            // increase k for more color options
            for (int k = 1; k < 255; k++)
            {
                SetConsoleTextAttribute(hConsole, k);
                Console.WriteLine("{0:d3}  www.CSharpSouresCode.net!", k);
            }
            // final setting
            SetConsoleTextAttribute(hConsole, 236);

            Console.WriteLine("Press Enter to exit ...");
            Console.Read();  // wait
        }
    }
}