Package - RColorBrewer
Novelty - No
Type - sequential

RColorBrewer - PuBu

Github

Not on Github

CRAN

RColorBrewer

Use with paletteer package:

library(paletteer)
paletteer_d("RColorBrewer::PuBu")

Use raw:

c("#FFF7FBFF", "#ECE7F2FF", "#D0D1E6FF", "#A6BDDBFF", "#74A9CFFF", "#3690C0FF", "#0570B0FF", "#045A8DFF", "#023858FF")