A free class that shows a lot of tips for color grading. Some of it is specific to Tiffen Dfx software, but a lot of the concepts work everywhere.
Learn to color grade with your video editing program and Tiffen® Dfx® version 3 film/video plug-in software for Avid Systems®; Adobe® CS4/5/6 including After Effects® and Premiere®; Apple® Final Cut Pro® 6/7/X.
Take 30% off with this unique code: RHEDDFX13
It can be redeemed here: http://tiffensoftware.com/promos