StandardChapter
Data visualisation
Charts, palette, tints
What it is
Guidance on how the brand presents data — approved chart types, palette rules, stylistic constraints.
Why it matters for image generation
Tint rules and sequence constraints prevent the generation model from selecting arbitrary colour combinations.
System
- Palette source
- purpose_palette:extrusion
- Max pie slices
- 6
- Gradients
- not permitted
- Colour mixing
- prohibited across groups
Tint system
- 100%
- 60%
- 30%
- 10%
Approved chart types
- bar
- line
- arc
- timeline
Prohibited chart types
- 3D pie
- donut with more than 6 slices
Style notes
Always label axes. Never use grid lines behind a bar chart.