The Observable 10 palette.
pal_observable(palette = c("observable10"), alpha = 1)Palette type.
Currently there is one available option: "observable10"
(10-color palette).
Transparency level, a real number in (0, 1].
See alpha in grDevices::rgb() for details.
Pettiross J (2023). "Crafting data colors and staying on brand." Observable blog. https://observablehq.com/blog/crafting-data-colors