Package - RColorBrewer
Novelty - No
Type - sequential

RColorBrewer - YlGn

Github

Not on Github

CRAN

RColorBrewer

Use with paletteer package:

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

Use raw:

c("#FFFFE5FF", "#F7FCB9FF", "#D9F0A3FF", "#ADDD8EFF", "#78C679FF", "#41AB5DFF", "#238443FF", "#006837FF", "#004529FF")