Thanks, ockham, for the reply. I checked out the site & it's quite helpful; I've bookmarked it, & will print it when I get my printer up. I can still see a need for more info since I have to do so much "by the numbers". Working with human figures skin tones often seem so subtle. How would one color a fair-skinned Kashmiri & an olive-hued South Indian using a chart? ...For instance