Package - ggprism
Novelty - Yes
Type - qualitative

ggprism - muted_rainbow

Github

csdaw/ggprism

CRAN

ggprism

Use with paletteer package:

library(paletteer)
paletteer_d("ggprism::muted_rainbow")

Use raw:

c("#6E1F00FF", "#58092CFF", "#254100FF", "#064233FF", "#263D5DFF", "#BD6345FF", "#9D3A5EFF", "#5D7A2BFF", "#2C8169FF", "#4269A0FF")