Provides conversion to/from System.Drawing.Color and System.ConsoleColor.

ColorExtensions.cs

using System;
using System.Drawing;

namespace MyNamespace
{
	public static class Extensions
	{
		public static Color ToColor(this ConsoleColor color)
		{
			switch (color)
			{
				case ConsoleColor.Black:       return Color.FromArgb(0x000000);
				case ConsoleColor.DarkBlue:    return Color.FromArgb(0x000080);
				case ConsoleColor.DarkGreen:   return Color.FromArgb(0x008000);
				case ConsoleColor.DarkCyan:    return Color.FromArgb(0x008080);
				case ConsoleColor.DarkRed:     return Color.FromArgb(0x800000);
				case ConsoleColor.DarkMagenta: return Color.FromArgb(0x800080);
				case ConsoleColor.DarkYellow:  return Color.FromArgb(0x808000);
				case ConsoleColor.Gray:        return Color.FromArgb(0xC0C0C0);
				case ConsoleColor.DarkGray:    return Color.FromArgb(0x808080);
				case ConsoleColor.Blue:        return Color.FromArgb(0x0000FF);
				case ConsoleColor.Green:       return Color.FromArgb(0x00FF00);
				case ConsoleColor.Cyan:        return Color.FromArgb(0x00FFFF);
				case ConsoleColor.Red:         return Color.FromArgb(0xFF0000);
				case ConsoleColor.Magenta:     return Color.FromArgb(0xFF00FF);
				case ConsoleColor.Yellow:      return Color.FromArgb(0xFFFF00);
				case ConsoleColor.White:       return Color.FromArgb(0xFFFFFF);
				default:
					return Color.White;
			}
		}

		public static ConsoleColor ToConsoleColor(this Color color)
		{
			if (color.GetSaturation() < 0.5)
				switch ((int) (color.GetBrightness() * 3.5))
				{
					case 0:  return ConsoleColor.Black;
					case 1:  return ConsoleColor.DarkGray;
					case 2:  return ConsoleColor.Gray;
					default: return ConsoleColor.White;
				}
			var hue = (int) Math.Round(color.GetHue() / 60, MidpointRounding.AwayFromZero);
			if (color.GetBrightness() < 0.4)
				switch (hue)
				{
					case 1:  return ConsoleColor.DarkYellow;
					case 2:  return ConsoleColor.DarkGreen;
					case 3:  return ConsoleColor.DarkCyan;
					case 4:  return ConsoleColor.DarkBlue;
					case 5:  return ConsoleColor.DarkMagenta;
					default: return ConsoleColor.DarkRed;
				}
			switch (hue)
			{
				case 1:  return ConsoleColor.Yellow;
				case 2:  return ConsoleColor.Green;
				case 3:  return ConsoleColor.Cyan;
				case 4:  return ConsoleColor.Blue;
				case 5:  return ConsoleColor.Magenta;
				default: return ConsoleColor.Red;
			}
		}
	}
}