Add colormaps packaged with ProPlot or saved to the ~/.proplot/cmaps folder. This is called on import. Maps are registered according to their filenames – for example, will be registered as 'name'.

This is called on import. Use show_cmaps to generate a table of the registered colormaps

Valid extensions are listed in the below table.




List of HEX strings in any format (comma-separated, separate lines, with double quotes… anything goes).


XML files with <Point .../> entries specifying x, r, g, b, and optionally, a values, where x is the colormap coordinate and the rest are the RGB and opacity (or “alpha”) values.


3-column table delimited by commas or consecutive spaces, each column indicating red, blue and green color values.


As with .rgb, but with 4 columns. The first column indicates the colormap coordinate.

.rgba, .xrgba

As with .rgb, .xrgb, but with a trailing opacity (or “alpha”) column.