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xxd-accessible-color

Design
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Check and repair Chinese traditional color combinations for readability and accessibility. Use when a user asks whether text, buttons, UI states, charts, light mode, dark mode, or traditional color palettes meet contrast and non-color-cue requirements.

QUICK START

How to use this skill

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  1. Open your project in Codex.
  2. Copy the prompt below and paste it into your agent.
  3. Review the proposed files and risks before you approve installation.
Prompt to paste
I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/nevertoday/zhongguo-traditional-colors/blob/HEAD/skills/xxd-accessible-color/SKILL.md

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First, summarize what it does, its dependencies, license status if identifiable, and any risks. Show the exact files you propose to add under .agents/skills/xxd-accessible-color/. Do not write files or run scripts until I approve.

After I approve, install the complete skill folder, including required referenced files, into that project location. Verify it is discoverable, then tell me its actual invocation name and how to use it. Do not claim it is installed until you have verified it.

Copying this prompt does not install or run the skill. Review third-party files before use. Codex skill guide

xxd-accessible-color

Purpose

Use this skill when color beauty has to survive real reading, interaction, status, or chart use. It should return testable contrast decisions and repairs from the same 742-color system.

Pain Points This Solves

  • Traditional colors that look elegant can fail as body text, buttons, focus rings, or chart distinctions.
  • Teams often use color alone to communicate status, selection, or error.
  • Accessibility feedback is easy to make vague; this skill must give ratios, pass states, and concrete replacements.

Data Contract

  • Use the bundled references inside this skill for replacements:
    • references/chinese-color-master-list.md: full 742-color Markdown source list.
    • references/chinese-color-harmony.csv: complete machine-readable harmony table for all 742 colors.
    • references/chinese-color-harmony.md: Markdown version of the same harmony relationships.
  • Use WCAG contrast ratios for text and UI pair evaluation.
  • Do not claim compliance without a ratio or a clear "needs verification" note.
  • For charts, status, and selections, check whether color is the only cue and add labels, shape, stroke, underline, icon, or pattern when needed.

Evaluation Workflow

  1. Identify the role:
    • Normal text, large text, button label, icon, focus ring, border, chart series, status, selection, or decoration.
  2. Build test pairs:
    • Foreground/background for text.
    • State pairs for interactive elements.
    • Adjacent colors for charts and legends.
  3. Calculate contrast when HEX values are available.
  4. Classify:
    • Pass: usable as requested.
    • Conditional: usable for large text, decoration, non-critical marks, or with added cues.
    • Fail: needs replacement.
  5. Repair failures:
    • Preserve the intended temperature and cultural signal where possible.
    • Prefer nearby, neutral, gray-toned, light, dark, or harmony-related project colors.
    • Keep the replacement inside the 742-color dataset.
  6. Add non-color cues when meaning depends on status, selection, chart distinction, or warnings.

Thresholds

  • Normal text: target at least 4.5:1.
  • Large text: target at least 3:1.
  • UI components and graphical objects: target at least 3:1 when contrast carries function.
  • Do not use color alone to communicate required meaning.

Output Shape

  • Summary: pass, conditional, fail counts and biggest risk.
  • Pair table: foreground, background, role, ratio, status, recommendation.
  • Repairs: original pair, replacement pair, why it preserves the direction.
  • Usage rules: where each pair can and cannot be used.
  • Non-color cue suggestions for charts, status, warning, or selection.

If no concrete HEX values are provided, ask for values or first run xxd-palette-builder to produce a testable palette.