What Is Cel Shading?
Cel shading (or toon shading) is a non-photorealistic rendering technique that produces flat colour regions separated by hard shadow edges — eliminating the smooth gradients of realistic rendering. It is the defining visual language of anime, many video games (Zelda: Breath of the Wild, Genshin Impact), and stylised 3D animation.
In depth
Cel shading originated in traditional hand-drawn animation, where "cels" (transparent celluloid sheets) were painted with flat colours. The technique was adopted by 3D computer graphics in the 1990s as "toon shading" — a shader that quantises lighting into 2–4 discrete brightness bands instead of smooth gradients. The aesthetic is now ubiquitous: it defines the look of anime, anime-style games (Genshin Impact, Persona, Guilty Gear), and a growing segment of stylised 3D animation (Spider-Verse, Arcane, The Mitchells vs. The Machines). In AI image generation, cel-shaded style presets produce the flat colour + hard shadow look without photorealistic rendering. EZ Character's anime, manga, and cartoon pipelines all render in cel-shaded style.
Key points
- Cel shading = flat colour regions with hard shadow edges, no smooth gradients
- Originated in hand-drawn animation cels; adopted by 3D graphics as "toon shading"
- Defining visual language of anime and stylised games (Genshin, Zelda, Persona)
- EZ Character's anime, manga, and cartoon pipelines render in cel-shaded style by default
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