This is a color blind friendly palette from https://jfly.uni-koeln.de/color/. It has 8 colors.
categorical_pal(n)The number of colors in the palette. We simply take the first
n colors from the total 8.
A character vector of RGB color codes.
library(igraphdata)
data(karate)
karate <- karate
add_layout_(with_fr())
set_vertex_attr("size", value = 10)cl_k <- cluster_optimal(karate)
V(karate)$color <- membership(cl_k) karate$palette <- categorical_pal(length(cl_k)) plot(karate)
This is the suggested palette for visualizations where vertex colors mark categories, e.g. community membership.
Other palettes:
diverging_pal(),
r_pal(),
sequential_pal()