nanobanana prompt: Whimsical Pencil Story Illustration with Pastel Palette

{
  "design_system": {
    "metadata": {
      "style_name": "Whimsical Pencil Story Illustration",
      "target_audience": "Children / Family",
      "version": "3.0"
    },
    "visual_parameters": {
      "medium": {
        "primary": "Colored Pencil",
        "application": "Hand-drawn",
        "texture": {
          "type": "Clearly visible pencil strokes",
          "quality": "Soft, slightly uneven outlines",
          "finish": "Illustrative / Non-photorealistic"
        }
      },
      "line_work": {
        "style": "Simple, clean outlines",
        "weight": "Organic and slightly sketchy",
        "clarity": "High"
      },
      "color_theory": {
        "base_tone": "Warm and joyful",
        "palette_type": "Soft pastel with pops of color",
        "adjustments": {
          "brightness": "High",
          "saturation": "Balanced and friendly",
          "contrast": "Low and gentle"
        }
      },
      "lighting_and_shading": {
        "shadows": "Very soft",
        "highlights": "Gentle pencil highlights",
        "rendering": "Flat colors with light texture",
        "gradients": "Subtle pencil blending"
      }
    },
    "subject_geometry": {
      "anatomy": {
        "proportions": "Semi-cartoon",
        "scale": "Children’s storybook"
      },
      "facial_features": {
        "eyes": "Small dot eyes",
        "mouth": "Tiny curved smile",
        "complexity": "Minimal and expressive"
      }
    },
    "atmosphere": {
      "mood": [
        "Wholesome",
        "Cozy",
        "Playful",
        "Comforting"
      ],
      "genre_tags": [
        "Storybook Illustration",
        "Children Art",
        "Hand-drawn Sketch"
      ]
    }
  },
  "generation_configs": {
    "negative_prompt_tokens": [
      "photorealism",
      "realistic lighting",
      "dark tones",
      "heavy shadows",
      "3d",
      "digital render"
    ],
    "prompt_text": "Hand-drawn colored pencil illustration with visible pencil texture, clean yet slightly rough line art, warm pastel color palette, high brightness and gentle saturation, flat coloring with minimal shading, soft highlights, semi-cartoon proportions, simple dot eyes and small smiling mouth, cozy and cheerful storybook mood, children’s book illustration style, non-realistic, no photo texture"
  }
}