Package - dichromat
Novelty - No
Type - divergent

dichromat - BluetoGray_8

Github

Not on Github

CRAN

dichromat

Use with paletteer package:

library(paletteer)
paletteer_d("dichromat::BluetoGray_8")

Use raw:

c("#0099CCFF", "#66E6FFFF", "#99FFFFFF", "#CCFFFFFF", "#E6E6E6FF", "#999999FF", "#666666FF", "#333333FF")