Free browser-based tool to extract HEX, RGB, and HSL color codes from any image pixel
Free tree testing tool for testing information architecture
Stage
Not given
Established
Founded
Not given
2021
Based in
Not given
Not given
Pricing model
Free
Free
Pricing
Not given
Free for unlimited tree testing and card sorting studies, unlimited participants and responses, and full analysis. Participant recruitment through UXbeam's panel starts at $1 per participant-minute.
Key features
Click or tap any pixel to read its exact color code
Get HEX, RGB, HSL, CMYK, and OKLCH values with one-click copy
Extract dominant colors from an image as a palette
No server upload – image processing happens entirely in your browser
Match colors to traditional Chinese and Japanese color names
Save color history in your browser on this device
Works on mobile with touch and on-screen keyboard
Export palettes as CSS variables, Tailwind, or JSON
Support for JPG, PNG, and WebP image formats with drag-and-drop upload
Use arrow keys to nudge the cursor and fine-tune pixel selection
Unlimited tree-testing studies and participants
Leading-task detection to catch biased wording
Path replay visualization of participant navigation
Task outcome breakdown into direct, indirect, and elsewhere
Full-scenario completion tracking across multiple tasks
Mobile-compatible participant experience
Integrated card sorting with tree testing workflow
Multiple valid destinations per task
Iterative testing with versioned results
Complete CSV export of participant-level results
What makes it different
Entirely browser-based with no sign-up required
Links picked colors to centuries-old traditional Chinese and Japanese palettes
Displays multiple color formats (HEX, RGB, HSL, CMYK, OKLCH) for every pixel
Image never leaves your browser – all processing is client-side
Supports palette export in multiple formats for developers and designers
No credit card required and truly unlimited at no cost
Built-in methodological safeguards prevent common research mistakes
One-screen setup lets researchers create tests in minutes
Mental Model Detection identifies competing ways different user groups organize content
AI-assisted participant recruitment with audience targeting