You can set Console.BackgroundColor property to ConsoleColor enumeration..
Gets or sets the background color of the console. To change the background color of the > console window as a whole, set the BackgroundColor property and call the Clear
method.
Console.BackgroundColor = ConsoleColor.Blue;
Console.Clear();

And you can use Console.ForegroundColor property for
Gets or sets the foreground color of the console.
Console.ForegroundColor = ConsoleColor.Blue;
