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class matplotlib.colors.ListedColormap(colors, name='from_list', N=None)[source]

Bases: matplotlib.colors.Colormap

Colormap object generated from a list of colors.

This may be most useful when indexing directly into a colormap, but it can also be used to generate special colormaps for ordinary mapping.

Make a colormap from a list of colors.

a list of matplotlib color specifications, or an equivalent Nx3 or Nx4 floating point array (N rgb or rgba values)
a string to identify the colormap

the number of entries in the map. The default is None, in which case there is one colormap entry for each element in the list of colors. If:

N < len(colors)

the list will be truncated at N. If:

N > len(colors)

the list will be extended by repetition.


Make a reversed instance of the Colormap.

name : str, optional

The name for the reversed colormap. If it's None the name will be the name of the parent colormap + "_r".


A reversed instance of the colormap.