Package - ggsci
Novelty - Yes
Type - qualitative

ggsci - default_flatui

Github

nanxstats/ggsci

CRAN

ggsci

Use with paletteer package:

library(paletteer)
paletteer_d("ggsci::default_flatui")

Use raw:

c("#C0392BFF", "#D35400FF", "#F39C12FF", "#27AE60FF", "#16A085FF", "#2980B9FF", "#8E44ADFF", "#2C3E50FF", "#7F8C8DFF", "#BDC3C7FF")