Translucent panels with backdrop-filter blur and saturation over a soft
coloured wash, light and dark, going solid under prefers-reduced-transparency
and prefers-contrast: more. The sticky filter bar and column headings are
frosted, since the list scrolls under them.
Text on a see-through panel lands on whatever the wash is behind it, so the
palette's hex values alone no longer say whether it clears AA. contrast.js
now samples the wash as the browser composites it on three viewport shapes.
It caught the first light palette at 3.7:1 for faint text, and a tinted
selection that failed everywhere; both were changed.
Left out: SVG displacement-map refraction, which Chromium alone applies to a
backdrop and only on fixed-size shapes.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Each in light and dark. The published palettes missed AA in 19 places,
mostly Solarized and Catppuccin Latte, so each failing colour is moved
the least distance, toward black or white, that clears every pair it is
drawn in. Solarized dark's base0 had to rise to base1 to read on base02,
so its dim sits between base2 and base1 to keep three steps of type.
tests/contrast.js checks every palette against the pairs the page draws,
and a border that matches the ground it sits on. Its first run caught
Classic's links at 3.7:1 on the source list and Modern's faint at 4.3:1
on inputs; both are tuned. A failed toast moves to --panel, since the
error colours are tuned for the page's grounds, not --raise.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
