Use this if you are using igraph from R
This is the ‘OrRd’ palette from http://colorbrewer2.org. It has at most nine colors.
The number of colors in the palette. The maximum is nine currently.
Use this palette, if vertex colors mark some ordinal quantity, e.g. some centrality measure, or some ordinal vertex covariate, like the age of people, or their seniority level.
A character vector of RGB color codes.
## Not run: library(igraphdata) data(karate) karate <- karate %>% add_layout_(with_kk()) %>% set_vertex_attr("size", value = 10) V(karate)$color <- scales::dscale(degree(karate) %>% cut(5), sequential_pal) plot(karate) ## End(Not run)