See the available palettes using list_palettes.
pal will also search for the palette name in RColorBrewer and return it if found.
pal(palette_name, n = NULL, evenly_spaced = TRUE)the palette's name
the number of colors to return, will default to the actual size of the palette, will recycle when necessary
if TRUE, when the pallete has e.g. 5 colors but only 3 are requested, color 1, 3, and 5 will be returned.
a character vector of hex colors