This is the seventh and final video in a series about how to build an RGB colour mixer using Visual Basic.NET. This series covers the use of the VB.NET graphics object, along with a range of related objects and their methods for drawing and filling shapes on a Windows Form. This particular video explains how the RGB colour values can be displayed on the form in binary and hexadecimal format. It also shows how the hexadecimal colour codes for different overlapping portions of the red, green and blue circles can be can be displayed.