Question

Is there a way to change the color of an axis (not the ticks) in matplotlib? I have been looking through the docs for Axes, Axis, and Artist, but no luck; the matplotlib gallery also has no hint. Any idea?

Answer 1

When using figures, you can easily change the spine color with:

ax.spines[ bottom ].set_color( #dddddd )
ax.spines[ top ].set_color( #dddddd ) 
ax.spines[ right ].set_color( red )
ax.spines[ left ].set_color( red )

Use the following to change only the ticks:

which="both" changes both the major and minor tick colors

ax.tick_params(axis= x , colors= red )
ax.tick_params(axis= y , colors= red )

And the following to change only the label:

ax.yaxis.label.set_color( red )
ax.xaxis.label.set_color( red )

And finally the title:

ax.title.set_color( red )

Answer 2

You can do it by adjusting the default rc settings.

import matplotlib
from matplotlib import pyplot as plt

matplotlib.rc( axes ,edgecolor= r )
plt.plot([0, 1], [0, 1])
plt.savefig( test.png )

Answer 3

For the record, this is how I managed to make it work:

fig = pylab.figure()
ax  = fig.add_subplot(1, 1, 1)
for child in ax.get_children():
    if isinstance(child, matplotlib.spines.Spine):
        child.set_color( #dddddd )

Answer 4

Setting edge color for all axes globally:

matplotlib.rcParams[ axes.edgecolor ] =  #ff0000

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