Package - ggthemes
Novelty - Yes
Type - qualitative

ggthemes - excel_Office_Theme

Github

jrnold/ggthemes

CRAN

ggthemes

Use with paletteer package:

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

Use raw:

c("#4472C4FF", "#ED7D31FF", "#A5A5A5FF", "#FFC000FF", "#5B9BD5FF", "#70AD47FF")