Online Color Picker (HEX, RGB, HSL & Palette Generator)
Explore, select, and convert colors across all major web formats with mathematical precision. Whether you need exact HEX codes for web design, RGB/RGBA values for CSS styling, HSL/HSV coordinates for animations, or CMYK for print media, get instant multi-format conversion in real time.
Features an interactive 2D color canvas, visual spectrum slider, native Eyedropper API support, image-based color extraction, WCAG 2.1 accessibility contrast score calculation, and a persistent palette history. Completely client-side and free.
100% Client-Side Processing & Privacy Guarantee
All processing takes place strictly inside your client browser using WebAssembly, Canvas, and Web Workers. Your files, documents, and data never leave your device and are never sent to external servers.
Technical Specifications & Browser Capabilities
Local runtime details and instant zero-server processing environment
Step-by-Step Instructions
1. Select or Enter a Color
Click on the visual color picker gradient, adjust the hue slider, use the Eyedropper tool, or paste any HEX, RGB, or HSL value.
2. Check Contrast & Formats
Inspect the live conversion values across HEX, RGB, HSL, HSV, and CMYK, and verify WCAG AA/AAA readability against light and dark backgrounds.
3. Copy Code or Save Palette
Click the copy icon next to any color format or save your favorites to your local browser color palette for later reference.
Core Advantages & Features
Full Multi-Format Conversion
Converts instantly between HEX (#3b82f6), RGB rgb(59, 130, 246), HSL hsl(217, 91%, 60%), HSV, and CMYK with 100% accuracy.
WCAG Accessibility Analysis
Calculates real-time contrast ratios against white and black text to ensure compliant readability (AA / AAA ratings).
Eyedropper & Image Color Picker
Sample any color directly from your screen or uploaded photos without sending images to any server.
Palette History & Randomizer
Store your recently picked shades and generate harmonious random color inspirations with one click.
Frequently Asked Questions
What is the difference between HEX, RGB, and HSL?
How is the WCAG contrast ratio calculated?
Can I extract colors from an uploaded photo?
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