Package - RColorBrewer
Novelty - No
Type - sequential

RColorBrewer - Spectral

Github

Not on Github

CRAN

RColorBrewer

Use with paletteer package:

library(paletteer)
paletteer_d("RColorBrewer::Spectral")

Use raw:

c("#9E0142FF", "#D53E4FFF", "#F46D43FF", "#FDAE61FF", "#FEE08BFF", "#FFFFBFFF", "#E6F598FF", "#ABDDA4FF", "#66C2A5FF", "#3288BDFF", "#5E4FA2FF")