A number of colour maps are available, and used for instance
with the shading modes
Not all colour maps are suitable/available in all contexts,
and in some cases the maps are by default clipped at one end to avoid
for instance white-on-white plotting,
but the lists below give an overview of which named colourmaps can be used.
Note that custom colourmaps can also be used by supplying a specification
The absolute colour maps are listed below: these do not depend on the underlying colour of the plotted symbols, so are suitable when only one dataset is being plotted.
Absolute colour maps
The non-absolute colour maps are listed below: these modify an underlying colour, so are suitable for applying to several different datasets with different underlying colours. The representation here shows how they affect several different colours; for each row of pixels the unmodified (value=0) colour is at the left of the image and the most modified (value=1) is at the right.
Non-absolute colour maps
These colour maps have been derived from several sources, including SkyCat/GAIA, MatPlotLib 1.5, Gnuplot, Daniel Michalik, Paul Tol, CMasher, Color Brewer, HCL Wizard, Dave Green, xkcd, and maybe some others I forgot.