If you need a diverging palette, please use one of the palettes that we provide with Iroki. They were designed to be extra lovely!
Other snazzy palettes (in alphabetical order)
The Paul Tol palettes were designed to be color friendly! See here for more info.
The Color Brewer palettes were taken from the R package pals.
The Kelly colors were adapted from Kenneth Kelly's 22 colors of maximum contrast.