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This Parameter Sheet Is More Detailed Than a Material Ball
Colors, linework, expressions all laid out as key-value pairs — tweaking it feels like adjusting render settings, quick and easy.
✍️ This version breaks the illustration style down into a design_system parameter table, with tone/linework/facial features all turned into variables — change one key and out comes a new variant, more efficient than writing a long block of descriptive prose.
📋 Prompt JSON Structured Style2905 characters
{"design_system":{"metadata":{"version":"3.0","style_name":"Cozy Storybook Illustration","reference_source":"uploaded image","target_audience":"children/family"},"visual_parameters":{"line_work":{"weight":"slightly rough / organic","style":"clean line art","clarity":"high"},"medium":{"application":"hand-drawn","primary":"colored pencil","secondary":"watercolor wash (variant only)","texture":{"quality":"slightly rough outline","type":"visible pencil strokes","finish":"non-photorealistic / no photo texture"}},"lighting_and_shading":{"highlights":"soft","shadows":"minimal","gradients":"subtle watercolor layering (variant only)","rendering":"flat but detailed"},"color_theory":{"palette_type":"vibrant macaron palette","base_tone":"warm and friendly","adjustments":{"saturation":"enhanced but natural","brightness":"increased / high-key","contrast":"soft"}}},"subject_geometry":{"anatomy":{"scale":"storybook style","proportions":"semi-cartoon realistic"},"facial_features":{"complexity":"simple / minimalist","eyes":"dot eyes","mouth":"small smile"}},"atmosphere":{"genre_tags":["everyday life sketch","children's book","storybook illustration"],"mood":["cheerful","warm","cozy","friendly"]}},"generation_configs":{"negative_prompt_tokens":["photorealistic","realism","photo texture","3d render","complex shading","dark colors"],"prompt_variations":[{"variant_name":"Textured Colored Pencil","id":"PROMPT_001","focus":"texture and brushwork","full_text":"Hand-drawn colored-pencil illustration with clean line art, pencil outlines carrying a slightly rough texture; soft macaron color tones, overall brightness pushed up and colors more vivid, saturation boosted while staying natural; visible pencil strokes and gentle shadow texture, warm and friendly base tone; semi-cartoon-realistic proportions, faces simplified to dot eyes with a small smile; flat coloring yet richly detailed, minimal shadows and soft highlights, giving off the cozy, cheerful feel of storybook illustration; palette vibrant yet soft, style close to children's books and everyday-life sketches; final image high-resolution, with no photorealism and no photo texture."},{"variant_name":"Mixed-Media Watercolor","id":"PROMPT_002","focus":"wash and gradients","full_text":"Hand-drawn colored-pencil illustration built on clean line art, pencil outlines carrying a slight roughness, layered with a soft watercolor wash texture; bright, appealing macaron tones, colors more vivid, saturation kept natural; pencil strokes clearly visible, paired with subtle watercolor gradient layering; overall warm and friendly, proportions semi-cartoon-realistic; faces kept simple, dot eyes with a small smile; flat coloring yet richly detailed, minimal shadows, soft highlights; atmosphere cozy and cheerful, carrying the tone of storybook illustration and children's books; final image high-resolution, without realism or photo texture."}]}}
