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Format Conversion Gradient Generator Contrast Check

Color Converter & Palette

Bidirectional HEX / RGB / HSL conversion, gradient generator, and accessible contrast check, all processed locally.

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Privacy protection: All processing happens locally in your browser. No data is uploaded to any server, ensuring your privacy and data security.
🎨 Color Converter
🌈 Gradient Generator
♿ Contrast Check
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Technical References

  1. WCAG Contrast — W3C: https://www.w3.org/TR/WCAG21/#contrast-minimum

Frequently Asked Questions

Which color formats are supported?

HEX, RGB, and HSL convert bidirectionally in real time — entering any format syncs the others automatically.

Can gradients be exported?

Yes, copy the CSS linear-gradient code in one click.

How is contrast assessed?

Calculated with the WCAG relative-luminance formula, marking whether AA/AAA pass for body and large text.

Is data sent to a server?

No. All calculations happen in your browser.

Technical References

  1. WCAG Contrast — W3C: https://www.w3.org/TR/WCAG21/#contrast-minimum