To make my life easier, and perhaps some others, I've moved my TrueColor acceleration code, with some modifications, into a PowerShell Module called PSRainbow. It's available today in the Gallery for anyone to use.
www.powershellgallery.com/packages/PSR...
#powershell
powershellgallery.com
PSRainbow 1.1.0
Provides a library of 24-bit colors that can be used in PowerShell scripts.