First of all you must know what is a triad of colors.
For this I link this page: http://www.worqx.com/color/combinations.htm
This application creates a triad of colors, starting with a color that you choose.
It's useful for webdesigners or for any persone who use  the colors.
You can download the bin version or the source code.

QuickTriads_Bin.zip (232.31 kb)

The source code is written in C#. To translate the code in Vb.net, you can use this tool: translateyourcode.com

QuickTriads_Source.zip (926.49 kb)