GuidanceData visualisationColors
Every chart colour comes from palette.ts in core and is checked for colour-blind separation in CI. Use the CSS variables in dashboards and @oztix/roadie-core/dataviz where a renderer can’t read CSS.
| Check (worst ΔE) | Light | Dark | Target |
|---|---|---|---|
| Adjacent, colour-blind | 12.6 | 10.6 | 8 or more |
| Any of the first five, colour-blind | 12.2 | 9.6 | 8 or more |
| Adjacent, normal vision | 28.2 | 21.7 | 15 or more |
| Slots under 3:1 on the page | 2, 4, 6, 8 | None | Never carry text |
8
5
9
9
4
2
5
5
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