Package - ggthemes
Novelty - No
Type - qualitative

ggthemes - Classic_20

Github

jrnold/ggthemes

CRAN

ggthemes

Use with paletteer package:

library(paletteer)
paletteer_d("ggthemes::Classic_20")

Use raw:

c("#1F77B4FF", "#AEC7E8FF", "#FF7F0EFF", "#FFBB78FF", "#2CA02CFF", "#98DF8AFF", "#D62728FF", "#FF9896FF", "#9467BDFF", "#C5B0D5FF", "#8C564BFF", "#C49C94FF", "#E377C2FF", "#F7B6D2FF", "#7F7F7FFF", "#C7C7C7FF", "#BCBD22FF", "#DBDB8DFF", "#17BECFFF", "#9EDAE5FF")