Tool Atlas Color Picker & Converter
Pick a color or paste HEX, RGB, or HSL values and convert between formats with contrast ratio checking.
Contrast Ratio (WCAG AA)
White text3.68:1 ✗
Black text5.71:1 AA ✓
About this tool
Pick any color and instantly convert between HEX, RGB, and HSL formats with WCAG contrast ratio checking.
- Live conversion between HEX, RGB, and HSL — edit any field and the others update.
- Built-in contrast ratio checker shows WCAG AA compliance for white and black text.
- Runs entirely in your browser with no data sent anywhere.
How to use this tool
- Enter your content or upload your files.
- Adjust available options for your desired output.
- Process and download or copy your result.
Tool FAQ
Is my data private?
This tool is designed for local browser processing during the MVP stage.
Can I process multiple times?
Yes. You can run the tool repeatedly with different inputs.