RIT Dye Color Chart. It includes wool, but the wool swatches are weird looking. I wouldn't use Rit on wool unless it was all I could get.
Rit Dye color chart - make a custom color
Gorgeous Overdyed Rug using Rit Dye via SweetPaul.com
Great tutorial on using RIT dye at home. Endless possibilities!
How to dye fabric tutorial
PAINTING UPHOLSTERY WITH RIT DYE
How to create an Ombre look with RIT dye, via www.sasinteriors.net
Dye your faded jeans dark blue again. Four different color formulas to regain different denim washes.
Rit Dye formula (for when I dye slipcovers)
Color mixing guide for Rit Dye. Make over 500 colors from the core dyes.