Tutorial on Skin Tones and Chroma by Ron Lemen

The idea of making an ideal skin tone color is rediculous. Skin tones vary so much, from person to person, and art image to art image. If Drew Struzan were asked to paint Harrison Fords head, he would ask which context do you want this to be portrayed? Pictorially(illustrative) or realistically. There is a difference. And that difference tells you whether or not you "should" use straight out of the tube colors or not. ANything goes in flesh tones so long as the tones remain harmonious to the rest of the image, and value conscious to the whole image.