spec checked
W3C WAI: Understanding SC 1.4.11 Non-text Contrast
Documents the requirement that meaningful non-text visual cues meet contrast expectations against adjacent colors.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Data visualization | Choose Data visualization when the user's primary task is seeing a pattern, relationship, trend, distribution, ranking, magnitude, or anomaly. | Each visible mark is derived from the current dataset, filter scope, aggregation, and scale; visual marks and table values must agree. | W3C WAI documents contrast expectations for meaningful non-text graphics. |
Evidence Role
This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: W3C WAI. Last checked: .