Package - ggthemes
Novelty - Yes
Type - qualitative

ggthemes - Red_Blue_Brown


Use with paletteer package:

library(paletteer)
paletteer_d("ggthemes::Red_Blue_Brown")

Use raw:

c("#466F9DFF", "#91B3D7FF", "#ED444AFF", "#FEB5A2FF", "#9D7660FF", "#D7B5A6FF", "#3896C4FF", "#A0D4EEFF", "#BA7E45FF", "#39B87FFF", "#C8133BFF", "#EA8783FF")