feat(cli): add contrast checker to panda studio - #2
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Moved to upstream (stacked on the studio PR). |
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📝 Description
Add a contrast checker to
panda studio. Pick two color tokens and see the WCAG contrast ratio with AA/AAA pass badges, so you can check a pairing without leaving the viewer.⛳️ Current behavior (updates)
The studio viewer shows your colors, but there's no way to tell whether two of them meet contrast guidelines.
🚀 New behavior
A Contrast tool under the viewer's Playground nav. Two dropdowns pick the foreground and background from your color tokens; a live preview shows the pairing, the ratio (e.g.
4.52 : 1), and badges for AA, AA Large, AAA, and AAA Large.Ratios are computed in the browser by rasterizing each color to a canvas pixel, so it handles any CSS color format your tokens use — including
oklch, which the default preset emits.💣 Is this a breaking change (Yes/No):
No.
📝 Additional Information
The studio stack:
panda studio(base)Test plan:
pnpm --filter @pandacss/cli test#000/#fff→ 21.00,oklchinputs rasterize correctly, badges flip at 3 / 4.5 / 7