The Ultimate Guide to Color Scales / Conditional Formatting

I recently provided a tip to my Australian colleague David Lean to successfully solve a small report design challenge with tables and charts that use conditional formatting. 

The specific goal was to dynamically calculate and assign a color shade so that the minimum value present in the data is shown red, the average value yellow, and the maximum value green, with automatically calculated red-yellow-green shades for numeric values in between.

As it turns out, Dave integrated and expanded this into a great four part blog post series on using conditional formatting and color scales in Reporting Services (applicable to both, RS 2005 and RS 2008):