For all those fans of the crusty (but fast) ncview, here is a way to have modern (nice) colormaps and a fast viewer
As a taster, here is an animation of the ACCESS-OM2-01 topography with 10 different colormaps (gray, ice, lisbon, magma, nuuk, oleron, oslo, solar, tempo, topo)
(This was done using the ncview/2.1.7 module on gadi)