scale-colour-hue
Discrete equally-spaced hue colour scale.
Steps n hues across the angular range hue in OKLCh space, picking chroma and luminance from chroma and luminance. Defaults to hue: (15deg, 375deg), chroma: 100, luminance: 65.
OKLCh is used as a perceptually uniform near-equivalent of HCL, which Typst does not expose directly. The first colour sits at hue.at(0) and successive colours step by (end - start) / n, so the endpoint is excluded and the wheel never duplicates a hue when start and end differ by a full turn.
Usage
scale-colour-hue(
..args,
)Parameters
| Parameter | Default | Description |
|---|---|---|
..args |
Returns
Scale object consumed by plot.
Examples
Default hue wheel mapping four levels to evenly-spaced colours.
#let d = (
(x: 1, y: 2, sp: "a"),
(x: 2, y: 4, sp: "b"),
(x: 3, y: 3, sp: "c"),
(x: 4, y: 5, sp: "d"),
)
#plot(
data: d,
mapping: aes(x: "x", y: "y", colour: "sp"),
layers: (geom-point(size: 3pt),),
scales: (scale-colour-hue(),),
width: 10cm,
height: 6cm,
)
Lower chroma and luminance yield a muted, pastel-like palette.
#let d = (
(x: 1, y: 2, sp: "a"),
(x: 2, y: 4, sp: "b"),
(x: 3, y: 3, sp: "c"),
(x: 4, y: 5, sp: "d"),
)
#plot(
data: d,
mapping: aes(x: "x", y: "y", colour: "sp"),
layers: (geom-point(size: 3pt),),
scales: (scale-colour-hue(chroma: 50, luminance: 80),),
width: 10cm,
height: 6cm,
)
