# ColorBox > ColorBox is a free, browser-based color palette generator that uses perceptually uniform color spaces (OKLCH/OKLAB) to create harmonious, accessible color systems for designers and developers. ## Core Features - Perceptually uniform color interpolation using OKLCH/OKLAB - Real-time accessibility contrast checking (WCAG 2.1) - Export to CSS, Tailwind, Figma tokens, JSON - Works standalone or as Figma plugin ## Documentation - [AI Guide](https://colorbox.io/ai): How to use ColorBox with AI assistants - [OKLCH Palette Generator](https://colorbox.io/oklch-color-palette-generator): Generate perceptually uniform palettes - [Accessible Color Palette](https://colorbox.io/accessible-color-palette): WCAG-compliant color systems - [OKLCH vs HSL](https://colorbox.io/oklch-vs-hsl): Why perceptual uniformity matters ## Use Cases - Brand color palette generation - Accessible UI color systems - Design token creation for Tailwind/CSS ## How It Works 1. Start with 1-2 seed colors (or use the default palette) 2. Adjust curve parameters for lightness, chroma, and hue 3. Preview accessibility contrast ratios in real-time 4. Export to your preferred format ## Export Formats - CSS custom properties - Tailwind CSS config - Figma plugin (direct import) - JSON tokens - Raw color values (HEX, RGB, HSL, OKLCH) ## Contact - Website: https://colorbox.io - Creator: Kevyn Arnott (https://kevyn.work)