How to change the background color of matplotlib chart?

Question

I don't know why there will be a grey frame automatically in my chart. I want to set my chart all white and with a black frame and grid.

fig = plt.figure() fig.set_facecolor('none') plt.rcParams['axes.facecolor'] = 'none' ax1 = fig.add_subplot(111) ax1.set_title('Druck') plt.xlabel('L/D') plt.ylabel('$Q_{CPT}/Q_{API}$') plt.ylim((0,4.5)) plt.xlim((0,40)) plt.scatter(x1,y1, c='b', label='UWA-05') plt.scatter(x2,y2,c='r', label='ICP-05') plt.grid(axis='y', c='black',alpha=0.8) plt.grid(axis='x', c='black',alpha=0.8) plt.legend() leg = plt.legend() leg.get_frame().set_edgecolor('none') plt.show()

What platform are you running this code on? When I run it in Spyder as-is I see a black edge, not gray like in your picture. — Brian
– Brian, Commented Feb 5, 2019 at 11:27
Are you using inline graphics? Maybe try using interactive plotting as shown here: stackoverflow.com/a/31488324/5626104 — Brian
– Brian, Commented Feb 5, 2019 at 11:59

EcSync · Accepted Answer · 2019-02-05 12:07:42Z

add these lines, obviously change the background colour to whatever you want

 bg_color = 'black' ax1.patch.set_facecolor(bg_color)

also change this:

leg.get_frame().set_edgecolor('Black') #<---- change 'none' to 'Black'

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