ConsoleColor[] Y = new ConsoleColor[16] { ConsoleColor.Black, ConsoleColor.Blue, ConsoleColor.Cyan, ConsoleColor.DarkBlue, ConsoleColor.DarkCyan, ConsoleColor.DarkGray, ConsoleColor.DarkGreen, ConsoleColor.DarkMagenta, ConsoleColor.DarkRed, ConsoleColor.DarkYellow, ConsoleColor.Gray, ConsoleColor.Green,ConsoleColor.Magenta,ConsoleColor.Red,ConsoleColor.White,ConsoleColor.Yellow };
                Random R = new Random();
                while (true)
                {
                Console.Clear();
                    int Digit = R.Next(0, 16);
                    Console.BackgroundColor = Y[Digit];
                }