Package - ggthemes
Novelty - No
Type - qualitative

ggthemes - Tableau_20

Github

jrnold/ggthemes

CRAN

ggthemes

Use with paletteer package:

library(paletteer)
paletteer_d("ggthemes::Tableau_20")

Use raw:

c("#4E79A7FF", "#A0CBE8FF", "#F28E2BFF", "#FFBE7DFF", "#59A14FFF", "#8CD17DFF", "#B6992DFF", "#F1CE63FF", "#499894FF", "#86BCB6FF", "#E15759FF", "#FF9D9AFF", "#79706EFF", "#BAB0ACFF", "#D37295FF", "#FABFD2FF", "#B07AA1FF", "#D4A6C8FF", "#9D7660FF", "#D7B5A6FF")