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Skill instructions for producing accessible, brand-neutral charts, graphs, dashboards, and data visualizations using a validated method
默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。
决定是否安装前，请先阅读 SKILL.md，以及 SkillsMP 当前展示的配套文件。
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
npx skills add https://github.com/mkusaka/ccskills --skill data-visualization命令会保持在同一行。复制前请横向滚动并检查完整内容。
想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
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| name | data-visualization |
| description | Skill instructions for producing accessible, brand-neutral charts, graphs, dashboards, and data visualizations using a validated method |
| metadata | {"originalName":"Skill: Data Visualization","ccVersion":"2.1.246","sourceUrl":"https://github.com/Piebald-AI/claude-code-system-prompts/blob/main/system-prompts/skill-data-visualization.md","source":{"owner":"Piebald-AI","repo":"claude-code-system-prompts","ref":"main","path":"system-prompts/skill-data-visualization.md"}} |
references/palette.md
-- swap that file's values for your brand's. Triggers on: "chart", "graph", "plot", "data viz", "dashboard",
"analytics", "visualize data", "categorical colors", "sequential / diverging
palette", "stat tile", "sparkline", "heatmap", "legend", "axis", "tooltip",
"chart colors", "color by series".A chart is read by people and executed by you. This skill turns "make it look good" into a procedure with checks, so the result is right by construction rather than by taste.
The method here is design-system-agnostic. Nothing in the procedure, the form
heuristic, the six checks, or the mark specs is specific to one product. A design
system supplies a small set of parameters (its ramps, a categorical order, a
diverging pair, a status palette, a texture, its surfaces, its filter components);
the method consumes them unchanged. A validated default palette is the
reference instance, fully specified in references/palette.md. To target your
brand, read that file's structure and substitute its values - touch nothing else.
The single most important habit: the color part is computable, so compute it. Never eyeball whether a palette is colorblind-safe - run
scripts/validate_palette.js.
Color comes LAST. Most bad charts pick colors first.
references/choosing-a-form.mdreferences/color-formula.mdnode scripts/validate_palette.js "<hex,hex,...>" --mode light (relative to
this skill's base directory - or load it as <script type="module"> in the
chart's own page, where it reads
data-palette off <body> and logs a console.table report). It returns
pass/fail on the lightness band, chroma floor, adjacent-pair CVD separation,
the normal-vision floor, and contrast. Fix anything that FAILs before continuing. Re-run for
--mode dark with that mode's surface.references/marks-and-anatomy.mdreferences/interaction.mdThen check the result against references/anti-patterns.md - it is the catalog
of what goes wrong. If your chart matches an entry, it's wrong.
--pairs all cut series or facet instead - see check 4. A contrast WARN
obligates visible labels or a table view - it is not dismissable.The method is invariant; only these parameters change per system. The reference
instance - every value filled in - is references/palette.md.
| Parameter | What the system provides |
|---|---|
| Ramps | the hue scales (named steps) the palette draws from |
| Categorical theme | the fixed hue order (a named theme); default + alternates |
| Sequential hue | the default single hue for magnitude |
| Diverging pair | two warm/cool poles + a neutral midpoint |
| Status palette | good / warning / serious / critical - steps distinct from categorical |
| Texture fill | one directional hand-drawn fill, used at 45° / 135° |
| Surfaces | light & dark chart-surface colors (the validator needs these) |
| Filter controls | date-range & dimension controls (behavioral spec in interaction.md) |
To onboard a new system: fill those rows, feed its ramps to the validator, and let it snap each slot to the nearest passing step. Structure and rules stay as written.
| File | What it answers |
|---|---|
references/choosing-a-form.md | Which chart type / is it even a chart? |
references/color-formula.md | The four jobs, the six checks, snap-to-passing |
references/marks-and-anatomy.md | Mark specs, spacers, labels, figures, hero number |
references/interaction.md | Tooltips & hover, filters & time ranges |
references/components.md | The pieces a chart is made of - build each in plain HTML |
references/anti-patterns.md | What goes wrong - check every chart against this |
references/palette.md | The reference palette instance - every parameter, filled in; swap for your brand's |
scripts/validate_palette.js | Runnable six-checks validator (run it; don't eyeball) |
