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Shad Themes

Stop Guessing LCH Values. Turn Images into Semantic Design Systems.

Upload an image to extract its palette, generate accessible shadcn/ui themes (Light & Dark), and export production-ready globals.css instantly.

OKLCH Color SpaceWCAG CompliantAuto Dark Mode4 Theme Strategies
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What It Does

Transform any image into a complete, accessible design system in seconds

Intelligent Color Extraction
Advanced algorithms analyze your image to extract dominant, vibrant, and muted color palettes with precision.
Semantic Theme Generation
Automatically maps colors to shadcn/ui semantic variables like primary, secondary, accent, muted, and destructive.
Auto Dark Mode
Generates perfectly paired dark themes using OKLCH color space for perceptually uniform brightness adjustments.
WCAG Compliance
Real-time contrast ratio calculations ensure your themes meet accessibility standards (AA/AAA).
Production-Ready Export
Export complete globals.css with all CSS variables, ready to drop into your Next.js or React project.
4 Theme Strategies
Choose from Standard, Vivid, Minimal, or Professional strategies to match your brand's personality.

How It Works

Three simple steps to transform a static image into a dynamic, accessible design system powered by modern color science

1. Extraction
We use extract-colors to isolate key pixel clusters, identifying the dominant, vibrant, and muted tones of your uploaded image.
2. Strategy Mapping
Our engine applies four distinct algorithms StandardVividMinimalProfessional to map extracted colors to semantic variables.
3. OKLCH & Contrast
We auto-generate a paired Dark Mode using OKLCH interpolation and calculate contrast ratios on the fly for WCAG compliance.

When to Use Shad Themes

Perfect for designers and developers who want to move fast without compromising on quality

Perfect for
Starting a New Project
Bootstrap your design system instantly with cohesive color palettes derived from your brand assets or inspiration images.
Great for
Rebranding Existing Apps
Quickly prototype new color schemes and see them applied across all UI components before committing to changes.
Ideal for
Client Presentations
Generate multiple theme variations from client logos or mood boards to showcase design possibilities in real-time.
Useful for
Learning shadcn/ui
Understand how semantic color variables work by experimenting with different images and strategies.

Use Cases

From startups to enterprises, see how Shad Themes fits into your workflow

SaaS Dashboards
Create professional, data-focused themes with the Professional strategy. Perfect for analytics platforms and admin panels.
B2BEnterpriseAnalytics
E-commerce Sites
Use Vivid strategy to make products pop while maintaining accessibility. Extract colors from product photography.
RetailShoppingConversion
Portfolio Websites
Match your personal brand by extracting colors from your favorite artwork or photography. Minimal strategy for clean aesthetics.
CreativePersonalShowcase
Marketing Landing Pages
Rapidly prototype multiple theme variations to A/B test which color schemes drive better engagement.
MarketingTestingGrowth
Mobile App Prototypes
Generate themes from app icon designs or brand guidelines to maintain visual consistency across platforms.
MobileiOSAndroid
Documentation Sites
Create readable, low-contrast themes using the Standard strategy. Perfect for technical docs and knowledge bases.
DocsTechnicalContent
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