Package - ggthemes
Novelty - Yes
Type - qualitative

ggthemes - excel_Retrospect

Github

jrnold/ggthemes

CRAN

ggthemes

Use with paletteer package:

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

Use raw:

c("#E48312FF", "#BD582CFF", "#865640FF", "#9B8357FF", "#C2BC80FF", "#94A088FF")