It is the most effective way to study light and shadow , as value (the lightness or darkness of a color) is often more important than the hue itself for creating depth.
Working within the strict confines of black and white offers several critical advantages for artistic growth: Drawing in Black & White: Creative Exercises, A...
Drawing in Black & White: Creative Exercises, Art Techniques, and Beyond It is the most effective way to study
Errors in form, perspective, and composition become immediately apparent when they aren't masked by vibrant colors. and Beyond Errors in form