How can I fix legend color issue in Bar graph in Python?

Question

I have a problem about defining many color in legend part of bar graph.

After I've done some essential process, I draw a figure by using the code shown below.

ax = df.plot(kind='bar', stacked=True,figsize=(13,10))
plt.title('Title List', fontsize=20) 
leg = ax.legend(loc='center right', bbox_to_anchor=(1.3, 0.5), ncol=1)
plt.tight_layout()
plt.savefig('images/image1.png', bbox_inches = "tight")  
plt.show()

When I run the code, some colors are the same.

How can I define unique colors in legend part?

Here is the screenshot

@Divyessh Maheshwari I attached the color of legend screenshot. — S.N, Jul 29 '20 at 07:08
https://stackoverflow.com/questions/8389636/creating-over-20-unique-legend-colors-using-matplotlib refer to this — Divyessh, Jul 29 '20 at 08:48
@Divyessh Maheshwari I want to add color in the legend not plot. — S.N, Jul 29 '20 at 10:47
Let us [continue this discussion in chat](https://chat.stackoverflow.com/rooms/218809/discussion-between-divyessh-maheshwari-and-tony-brand). — Divyessh, Jul 29 '20 at 10:47

score 0 · Accepted Answer · answered Jul 29 '20 at 11:51

0

My answer:

After I defining colormap as rainbow, All defined colors in legend parts became unique.

Change to code

ax = df.plot(kind='bar', stacked=True,figsize=(13,10))

to

ax = df.plot(kind='bar', stacked=True,figsize=(13,10), colormap='rainbow')

answered Jul 29 '20 at 11:51

S.N

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How can I fix legend color issue in Bar graph in Python?

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