The Shading Lesson That Made My Art Career Possible

Summary by Krater

This video explains how to break down any lighting and shading setup into basic tonal values like average light, halftone, cast shadow, and ambient occlusion, and how to apply this framework to paintings. The video concludes that properly separating light and shadow families and mastering value transitions is fundamental to achieving a rendered, three-dimensional look in portrait painting.

From the video

Answers: How do you break down light and shadow into values for painting?

• Light and shadow families
• Halftone values in rendering
• Cast shadow and form shadow
• Ambient light and bounce light
• Ambient occlusion in painting
• Highlights in portrait painting
• Soft vs hard edges in rendering
• Value contrast and separation

What it concludes

• Starting with a single direct light source helps build understanding of the light family and shadow family separation.
• A sphere and complex portraits share the same fundamental lighting values of average light, halftone, cast shadow, form shadow, ambient light, and ambient occlusion.
• Halftones exist in the light family and are slightly darker than the average light to turn the form.
• Ambient light is reflected light that illuminates shadows, and it must be kept darker than the halftone.
• Ambient occlusion occurs in deep crevices where bounced light cannot reach, creating the darkest values.
• Highlights are reflections of the light source and should be left until the end to make the form work without them.