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
PAINTING UPHOLSTERY WITH RIT DYE
Dye your faded jeans dark blue again. Four different color formulas to regain different denim washes.
Great tutorial on using RIT dye at home. Endless possibilities!
How to create an Ombre look with RIT dye, via www.sasinteriors.net
Rit Dye formula (for when I dye slipcovers)
How to Use Rit Dye to Update Your Clothes - College Fashion
How to dye a slipcover with RIT Dye. I wouldn't go pink ... but maybe I could go teal?! ;)