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Editorial Team
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Asked: 2026-06-16T05:02:55+00:00

I am using pandas and matplotlib to generate bar-graphs with lots of bars. I

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I am using pandas and matplotlib to generate bar-graphs with lots of bars.

I know how to cycle through a list of selected colors (How to give a pandas/matplotlib bar graph custom colors).
The question is what colors to select so that my graph prints nicely on a paper (it is for a research paper). What I am most interested in is sufficient contrast between the columns and a selection of colors that looks pleasant. I would like to have multiple colors instead of gray-scale or single-hue colorschemes.

Are there any predetermined schemes to select from that people use?

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1 Answer

  1. Editorial Team

    In 1.5 matplotlib will ship with 4 new rationally designed color maps:

    • 'viridis' (default color map as of 2.0)
    • 'magma'
    • 'plasma'
    • 'inferno'.

    The process of designing these color maps is presented in A Better Default Colormap for Matplotlib | SciPy 2015 .

    enter image description here

    The tool developed for this process can be installed by pip install viscm.

    I would suggest the cubehelix color map. It is designed to have correct luminosity ordering in both color and gray-scale.

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