I've been working on a series of blog posts explaining some of the not-so-basics about how digital devices work with colors. It's a surprisingly rich topic, and I've finally finished the first part. You can read it here: Digital Color Part 1 « Promit's Ventspace It's written for multiple audiences, but any serious photographer definitely should understand everything in this article as well as the upcoming parts 2 and 3. I would appreciate comments on the article as well; it's hosted by WordPress and supports OpenID, so you don't need to register a separate account or anything. You can log in with a Google account, for example.