Composing with Color Part 2

This essay is part 2 of Chapter 5 in Alain’s second bookMastering Composition, Inspiration and Personal Style
4 - Controlling Color in Photoshop
It is not the form that dictates the color, but the color that brings out the form.Hans Hofman
The model described by Munsell is also present in digital photography in a second way, besides color spaces. It is present in Photoshop in the Hue/Saturation adjustment dialog box. The Hue Saturation dialog box gives you access to the three variables of color independently: Hue, Saturation and Lightness, just as Munsell described them in 1921:

These three adjustments work exactly the way I previously described them: hue controls color, saturation controls how intense that color is, and lightness controls how light or dark the color is. These controls duplicate Munsell’s description of color precisely.
In practice, when using this dialog box, I change primarily the saturation level, occasionally the lightness level, and rarely the hue se...