Package - ggsci
Novelty - No
Type - sequential
ggsci - blue_grey_material
Use with paletteer package:
library(paletteer)
paletteer_d("ggsci::blue_grey_material")
Use raw:
c("#ECEFF1FF", "#CFD8DCFF", "#B0BEC5FF", "#90A4AEFF", "#78909CFF", "#607D8BFF", "#546E7AFF", "#455A64FF", "#37474FFF", "#263238FF")