Color Converter — Free Online Tool

100% free color picker: HEX, RGB, HSL, and WCAG contrast vs white/black—free tool. Techtter (Utrecht, NL): privacy-first browser tools & guides.

Color Converter — Free Online Tool: Free Color Converter — HEX RGB HSL & WCAG Contrast converts values using standard factors (see FAQ for precision). anyone who needs a quick, shareable result use it when they want a free, no-signup workflow. How to use: Type the amount you have in the “from” unit. Pick source and target units from the lists. Copy the converted result—swap units if the page offers a flip control. Frequently asked questions: What contrast ratio is AA for text? Roughly 4.5:1 for normal text against its background in WCAG 2.1 AA; large text can use 3:1. How precise are unit conversions? We use standard conversion factors suitable for everyday and many engineering uses. For regulated or scientific work, cross-check against authoritative tables. Do I need an account for Free Color Converter — HEX RGB HSL & WCAG Contrast? No signup is required. Enter values and read the converted output immediately.

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Frequently asked questions

What contrast ratio is AA for text?
Roughly 4.5:1 for normal text against its background in WCAG 2.1 AA; large text can use 3:1.
How precise are unit conversions?
We use standard conversion factors suitable for everyday and many engineering uses. For regulated or scientific work, cross-check against authoritative tables.
Do I need an account for Free Color Converter — HEX RGB HSL & WCAG Contrast?
No signup is required. Enter values and read the converted output immediately.