Package - miscpalettes
Novelty - Yes
Type - sequential

miscpalettes - grayscale

Github

EmilHvitfeldt/miscpalettes

CRAN

Not on CRAN

Use with paletteer package:

library(paletteer)
paletteer_d("miscpalettes::grayscale")

Use raw:

c("#C8C8C8FF", "#BDBDBDFF", "#B2B2B2FF", "#A7A7A7FF", "#9C9C9CFF", "#919191FF", "#868686FF", "#7B7B7BFF", "#707070FF", "#656565FF", "#5A5A5AFF", "#4F4F4FFF", "#444444FF", "#393939FF", "#2E2E2EFF", "#232323FF")