23 Apr Set the Marker edge color in Matplotlib

In Matplotlib, you can set the marker edge color using the markeredgecolor parameter (or its shorthand mec) in plotting functions like plot(), scatter(), etc. This lets you control the outline color of markers independently from their fill color.

Let us see an example:

# Set the Marker edge color in Matplotlib

import matplotlib.pyplot as plt
import numpy as np

ypts = np.array([7, 3, 9, 1, 5])

plt.plot(ypts, marker='*', ms = 25, mec = 'b', linestyle='-', color='red')
plt.show()

Output

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