Here's a gallery [1] of perceptually uniform colour maps, both lightness-varying and isoluminant (the latter are particularly useful in conjuction with hillshad

Here's a gallery [1] of perceptually uniform colour maps, both lightness-varying and isoluminant (the latter are particularly useful in conjuction with hillshade filters). The maps are present in many libraries / languages. === [1] https://www.colorcet.com/gallery.html https://www.colorcet.com/gallery.html