Provides easy access to, and manipulation of, the Munsell colours.
Provides a mapping between Munsell's original notation (e.g. "5R
5/10") and hexadecimal strings suitable for use directly in R
graphics. Also provides utilities to explore slices through the
Munsell colour tree, to transform Munsell colours and display colour
palettes.

WWW: https://cran.r-project.org/web/packages/munsell/