Photoshop Top 40 with Deke McClelland #6 - RGB, CMYK, and Lab Colors

In this video Deke explores the various color modes that Photoshop uses. He talks about color channels, how to use each color mode, when to use CMYK for commercial printing, RGB for Inkjet printing, etc.

Photoshop doesn't just support multiple color spaces, it supports infinite variations on the device-dependent ones. You can open an RGB photo, process it in Lab, and output it to CMYK, with certainty that the conversions will work.