data-visualization-accessibility
Data Visualization Accessibility Skill
Reference data for making charts, graphs, dashboards, and interactive data visualizations accessible. Used by data-visualization-accessibility agent.
Chart Accessibility by Type
Bar/Column Charts
- Provide a text summary of the key takeaway (e.g., "Sales increased 40% in Q4")
- Include a data table alternative (visually hidden or toggleable)
- Each bar should be keyboard-focusable with a tooltip announcing the value
- Use patterns or textures in addition to color to distinguish series
Line Charts
- Describe the trend in alt text (e.g., "Upward trend from January through June, then decline")
- Provide data table with all data points
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