Package - ggthemes
Novelty - Yes
Type - qualitative
ggthemes - excel_Office_Theme
Use with paletteer package:
library(paletteer)
paletteer_d("ggthemes::excel_Office_Theme")
Use raw:
c("#4472C4FF", "#ED7D31FF", "#A5A5A5FF", "#FFC000FF", "#5B9BD5FF", "#70AD47FF")