There's been a lot of movement in the past few years on colormaps informed by studies of human perception. Viridis, now the matplotlib default, is quite popula

There's been a lot of movement in the past few years on colormaps informed by studies of human perception. Viridis, now the matplotlib default, is quite popular: * https://bids.github.io/colormap/ https://bids.github.io/colormap/ * https://cran.r-project.org/web/packages/viridis/vignettes/intro-to-viridis.html https://cran.r-project.org/web/packages/viridis/vignettes/in... Google recently introduced an improvement on the venerable "jet" colormap called Turbo: https://ai.googleblog.com/2019/08/turbo-improved-rainbow-colormap-for.html https://ai.googleblog.com/2019/08/turbo-improved-rainbow-col...