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Accessibility Statement

This site is built to meet WCAG 2.1 Level AA, with the WCAG 2.2 target size criterion applied as well. Here is what that means in practice and what we have actually tested.

Standard we work to #

We aim to meet the Web Content Accessibility Guidelines version 2.1 at Level AA. We have also applied the target size criterion introduced in WCAG 2.2, which requires interactive controls to be large enough to hit reliably.

What has been tested #

Every page has been checked with automated tooling across desktop and mobile viewports, and manually for the things automation cannot judge. Specifically:

  • Colour contrast. All text meets at least 4.5:1 against its background. Ink percentages are captioned beneath each swatch rather than printed on top of it, so no label depends on the colour behind it.
  • Keyboard operation. Every control can be reached and operated with a keyboard alone, in a logical order, with a clearly visible focus outline. The horizontally scrolling colour tables are keyboard-scrollable.
  • Screen readers. Conversion results are announced as they change. Copying a value announces what was copied, since a button label changing is not otherwise read aloud.
  • Reflow. Pages work at 320 pixels wide, equivalent to 400% zoom, without horizontal scrolling.
  • Reduced motion. If your system asks for reduced motion, transitions are switched off.
  • Colour is never the only signal. Links inside blocks of text are underlined as well as coloured.

Known limitations #

We would rather name these than claim perfection:

  • The colour tools are inherently visual. The converters output text values that a screen reader can read, and results are announced, but the swatches and ink strip carry no meaning beyond illustration. The numbers are the content.
  • Automated testing is not the same as lived experience. Our checks are thorough, but they are not a substitute for testing with people who use assistive technology daily, which we have not yet done.
  • JavaScript is required for the converters. The written content, formulas and conversion tables are all in the page and readable without it, but the interactive tools will not calculate.

If something does not work #

Tell us. Accessibility problems are treated as bugs, not requests. Email contact@hex-cmyk.com with the page address and a description of what happened, and we will fix it and update the review date here.

Instruction before launch: accessibility obligations vary by jurisdiction and by the nature of your organisation. In the UK and EU, public sector bodies have specific duties, and the European Accessibility Act extends requirements to many consumer-facing services. Confirm which apply to you rather than assuming this statement is sufficient on its own.

See also our terms and conditions, privacy policy and disclaimer.

Last reviewed 21 August 2026. Tested with automated WCAG tooling at 1440px, 390px and 320px widths.