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. Gloucestershire Resource Centre http://www.grcltd.org/scrapstore/
textures and patterns are revealed when colored dye is applied to the wood via a bath
How to create an Ombre look with RIT dye, via www.sasinteriors.net
How to dye fabric tutorial
Rit Dye - Color Mixing Charts
PAINTING UPHOLSTERY WITH RIT DYE
Obviously we use Rit dye in dark blues when we do shibori but there are some really great tips here no matter which type of dyes you choose.
Great tutorial on using RIT dye at home. Endless possibilities!