Package - ggthemes
Novelty - Yes
Type - qualitative
ggthemes - excel_Madison
Use with paletteer package:
library(paletteer)
paletteer_d("ggthemes::excel_Madison")
Use raw:
c("#A1D68BFF", "#5EC795FF", "#4DADCFFF", "#CDB756FF", "#E29C36FF", "#8EC0C1FF")