matplotlib Plotting Cookbook

Using custom colors for pie charts

Like bar charts, pie charts are also used in contexts where the color scheme might matter a lot. Pie chart coloring works mostly like in bar charts. In this recipe, we are going to see how to color pie charts with our own colors.

How to do it...

The function pyplot.pie() accepts a list of colors as an optional parameter, as shown in the following script:

import numpy as np
import matplotlib.pyplot as plt

values = np.random.rand(8)
color_set = ('.00', '.25', '.50', '.75')

plt.pie(values, colors = color_set)
plt.show()

The preceding script will produce the following pie chart:

How it works...

Pie charts accept a list of ...