Package - trekcolors
Novelty - Yes
Type - qualitative

trekcolors - black_alert

Github

leonawicz/trekcolors

CRAN

trekcolors

Use with paletteer package:

library(paletteer)
paletteer_d("trekcolors::black_alert")

Use raw:

c("#050B64FF", "#0E3A9BFF", "#307CE4FF", "#64FFFFFF", "#000000FF")