Package - ggthemes
Novelty - No
Type - qualitative

ggthemes - Classic_Traffic_Light

Github

jrnold/ggthemes

CRAN

ggthemes

Use with paletteer package:

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

Use raw:

c("#B10318FF", "#DBA13AFF", "#309343FF", "#D82526FF", "#FFC156FF", "#69B764FF", "#F26C64FF", "#FFDD71FF", "#9FCD99FF")