Package - trekcolors
Novelty - Yes
Type - sequential
trekcolors - ufp
Use with paletteer package:
library(paletteer)
paletteer_d("trekcolors::ufp")
Use raw:
c("#E4E4E4FF", "#CBCBD6FF", "#B3B2C9FF", "#9A9ABCFF", "#8281AFFF", "#6968A2FF", "#515095FF", "#383788FF", "#201F7BFF")