1# Accessible data visualization reference23- [WCAG 2.2 Success Criterion 1.4.1](https://www.w3.org/TR/WCAG22/#use-of-color) requires that color not be the only means of conveying information. Add labels, patterns, shapes, line styles, or text alternatives.4- [WCAG 2.2 Success Criterion 1.4.3](https://www.w3.org/TR/WCAG22/#contrast-minimum) covers text contrast. Small labels and legends need particular care.5- [W3C SVG 2 accessibility guidance](https://www.w3.org/TR/SVG2/conform.html#accessibility) describes meaningful titles, descriptions, and accessible naming for SVG graphics.6- [W3C WAI complex images tutorial](https://www.w3.org/WAI/tutorials/images/complex/) recommends a concise purpose statement plus a longer text alternative for charts and other complex graphics.78For a diagram.zip SVG, provide a meaningful title and description when the chosen source format supports them, and pair the image with a nearby textual summary or data table. Do not rely on color, hover, animation, or spatial position alone. Preserve readable focus/order in interactive variants and state the data source, date, aggregation, and uncertainty in accompanying text.