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---
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title: Chroma
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emoji: 🔥
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colorFrom: blue
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colorTo: pink
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sdk: gradio
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sdk_version: 5.14.0
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app_file: app.py
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pinned: true
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license: apache-2.0
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---
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# Chroma Image Generator
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A Gradio app for generating images using the [Chroma](https://huggingface.co/lodestones/Chroma) model by [lodestones](https://huggingface.co/lodestones).
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## Features
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- **High-quality image generation** using the Chroma model
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- **Customizable parameters**: width, height, steps, CFG scale, and seed
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- **Pre-cached examples** for instant preview and testing
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- **Professional UI** with Gradio interface
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## Example Prompts
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The app includes 11 pre-configured example prompts with optimized parameters:
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1. **High-fashion portrait** with anaglyph 3D effect
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2. **Young man** with captain's hat and sunglasses
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3. **Shiba Inu** with captain's hat and sunglasses
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4. **Impressionistic sailing painting**
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5. **Anthro wolf** in forest setting
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6. **Dragon with galaxy wings** over castle
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7. **Anthro dog** in NYC apartment
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8. **Leopard geckos collage**
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9. **Anthro wolf plushie collage**
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10. **Telegram sticker** anthro fox
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11. **Tiger eye** with 'Chroma' text overlay
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## Caching
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The app uses Gradio's built-in `cache_examples=True` feature to pre-generate and cache all example images. This means:
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- **Instant results** when clicking on examples
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- **No waiting time** for cached examples
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- **Automatic cache management** by Gradio
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- **Faster user experience** for trying different prompts
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## Usage
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1. **Manual input**: Enter your own prompt and adjust parameters
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2. **Use examples**: Click on any example to load it instantly
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3. **Customize**: Modify example prompts to create variations
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4. **Generate**: Click the Generate button to create new images
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## Parameters
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- **Prompt**: Describe what you want to generate
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- **Negative Prompt**: Describe what you want to avoid
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- **Width/Height**: Image dimensions (512-2048px)
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- **Steps**: Number of denoising steps (1-50)
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- **CFG Scale**: How closely to follow the prompt (1-20)
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- **Seed**: Random seed for reproducible results (-1 for random)
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## Technical Details
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- Built with **Gradio** for the web interface
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- Uses **ComfyUI** workflow backend
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- Powered by **Chroma** diffusion model
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- Supports **GPU acceleration** with Spaces
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- **Automatic caching** for optimal performance
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## Running Locally
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```bash
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python app.py
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```
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The app will start and be available at `http://localhost:7860`
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## Cache Directory
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Examples are cached in the `gradio_cached_examples` directory. To rebuild the cache (if examples change), delete this directory and restart the app.
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference |
