Package - nbapalettes
Novelty - Yes
Type - qualitative

nbapalettes - heat_dark

Github

murrayjw/nbapalettes

CRAN

nbapalettes

Use with paletteer package:

library(paletteer)
paletteer_d("nbapalettes::heat_dark")

Use raw:

c("#010101FF", "#BA0C2FFF", "#E03C31FF", "#FFCD00FF")