Great article exploring specific colormaps and applications, incl discussion of pros/cons of popular maps [ e.g. Cividis better for color-blind viewing than Viridis, but is a more simplistic blue--yellow scale than others which utilize higher number of colors ]:
https://www.kennethmoreland.com/color-advice/
Great, widely-referenced site for quickly generating color scales, w color-blind safe options, and large amount of research behind it: https://colorbrewer2.org/#type=sequential&scheme=BuGn&n=3