Primary accent color fails WCAG AA 4.5:1 as text in Midnight and Lotus Terminal Light themes #52
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opened 2026-09-12 01:51:15 -04:00 by jared
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a11y
area: appearance
area: auth-session
area: build-ci
area: calls
area: desktop
area: media
area: messaging
area: mobile
area: moderation
area: navigation
area: notifications
area: settings
area: threads
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Accessibility: keyboard, screen reader, contrast, motion
Client area: appearance
Client area: auth-session
Client area: build-ci
Client area: calls
Client area: desktop
Client area: media
Client area: messaging
Client area: mobile
Client area: moderation
Client area: navigation
Client area: notifications
Client area: settings
Client area: threads
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Audit 2026-09 · Medium & Low
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Reference: LotusGuild/cinny#52
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Severity: medium · Type: a11y · Confidence: high
Location:
src/colors.css.ts:476-533(midnightTheme,Primary.Main: '#6b7ca8'),src/colors.css.ts:653-664(lotusTerminalLightTheme,Primary.Main: '#c44e00'); consumers:src/app/components/message/MsgTypeRenderers.tsx:112,src/app/components/BackupRestore.tsx:58,src/app/features/toast/LotusToastContainer.tsx:69-80,src/app/features/room/RoomViewFollowing.css.ts:30-33,src/app/features/room-settings/RoomInsights.tsx:427Problem
color.Primary.Mainis used directly as small/normal-size text color (e.g. the "Read more ↓" toggle atT200, sticky-toast text, "following" label) in several Lotus-added components. Computed against its own theme'sBackground.Container, the contrast ratio is 4.29:1 for Midnight (#6b7ca8on#111827) and 4.14:1 for Lotus Terminal Light (#c44e00on#edf0f5) — both below the WCAG 2.1 AA 4.5:1 minimum for normal text (they do clear the 3:1 UI-component/large-text threshold). All other checked theme/token pairs (Cyberpunk 6.15, Ocean 9.39, Blood Red 5.38, Classic Matrix 15.4, Midnight Secondary 14.6, Lotus Terminal Light Secondary/Warning 5.2-5.4) pass comfortably, so this is specific to these twoPrimary.Mainvalues.How to trigger
Select the Midnight or Lotus Terminal Light theme in Settings → Appearance, then view any message with a collapsed long body ("Read more" link) or a sticky toast — the accent-colored text is borderline-illegible for low-vision users against the theme's own background.
Suggested fix
Darken/brighten
Primary.Mainin these two themes (or add a separatePrimaryText-style token used only for on-background text) until it reaches ≥4.5:1 againstBackground.Container/Surface.Container, matching the margin already present in the other seven themes.Filed from the September 2026 client audit (branch
lotus@4bea4895).