How to Change Plotly Express bar colors using the Partial Property Update Patch()

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I see the reason for your confusion. There are a lot of possibilities to change colors. Traces, lines, markers…

To help you further, please provide a MRE which I can copy & paste.

Maybe you are better off changing the default colorscheme:

Line or marker color repetition if more than 10 traces

Hi @michaelyang, You can change the default color palette to a different pallet with more individual colors, for example alphabet contains 26 colors An example: import pandas as pd import plotly.express as px import numpy as np import string df = pd.DataFrame( np.random.randint(1,20,size=(26,26)), columns=list(string.ascii_uppercase) ) fig = px.scatter( df, x=df.index, y=df.columns, color_discrete_sequence=px.colors.qualitative.Alphabet ) fig.show() [newplot (3…