How to change the plot line color from blue to black in Matplotlib?

To change the plot line color from blue to black, we can use setcolor() method−


  • Create x and y data points using numpy.
  • Plot line x and y using plot() method; store the returned value in line.
  • Set the color as black using set_color() method.
  • To display the figure, use show() method.


import numpy as np
from matplotlib import pyplot as plt
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
x = np.linspace(-2, 2, 10)
y = 4 * x + 5
line, = plt.plot(x, y, c='b')


Updated on: 06-May-2021

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