standard
Accessibility guidelines defining the contrast ratio and relative luminance formula implemented by TinyColor's readability function.
No evidence-backed relationships are recorded.
A vendor of European Accessibility Act tooling says most of his own market is exempt, and that the exemption covers the accessibility statement and documentation, not just the technical requirements.
Reality
WCAG's four principles cross platforms intact. The markup, the gestures and the accessibility tree do not, and the W3C's mobile guidance is still an informative draft.
Reality
TinyColor's suite asserts contrast ratios to sixteen decimal places. Running it unmodified against a WebAssembly build of a Rust port showed that Math.pow disagrees with itself across platforms.
Reality