static void Main(string[] args)
{
IDictionary <string, string> openWith = new Dictionary <string, string>();
openWith.Add("txt", "notepad.exe");
openWith.Add("bmp", "paint.exe");
openWith.Add("dib", "paint.exe");
openWith.Add("rtf", "wordpad.exe");
string test = "#80FFA0";
HtmlColorParser parser = new HtmlColorParser(openWith);
var rgbStr = parser.Parse(test);
Console.WriteLine($"{rgbStr.r} {rgbStr.g} {rgbStr.b}");
//Console.WriteLine(string.Concat(test1.Select));
Console.ReadKey();
}