Package - soilpalettes
Novelty - Yes
Type - sequential

soilpalettes - gley

Github

kaizadp/soilpalettes

CRAN

Not on CRAN

Use with paletteer package:

library(paletteer)
paletteer_d("soilpalettes::gley")

Use raw:

c("#BFBFBFFF", "#A1B7BFFF", "#80AEBEFF", "#58A6BEFF", "#009DBDFF")