how to choose bivariate color palette

https://nowosad.github.io/post/cbc-bp2/

post using different packages

library(pals)
library(colorblindcheck)

Four palettes from the pals package, brewer.divseq, brewer.seqseq2, stevens.greenblue, and stevens.purplegold seem to be the most adequate to use for bivariate visualizations.