AverageColor.cs

class Program
{
    static void Main(string[] args)
    {
        ILitmus litmus = new DirectxColorProvider();

        // Get the Average Color of the Screen
        LitmusColor color = litmus.GetAverageColor();

        Console.WriteLine("Red:{0}\nGreen:{1}\nBlue:{2}\n", color.Red, color.Green, color.Blue);
        Console.ReadLine();
    }
}

ProminentColor.cs

class Program
{
    static void Main(string[] args)
    {
        ILitmus litmus = new DirectxColorProvider();

        // Get the Average Color of the Screen
        LitmusColor color = litmus.GetMostCommonColor();

        Console.WriteLine("Red:{0}\nGreen:{1}\nBlue:{2}\n", color.Red, color.Green, color.Blue);
        Console.ReadLine();
    }
}