Plotly scatter charts show no color when running on dash app

[AIMPED]

The y values are cotegorical, right? This could be the reason for it. Take a look at this:

Trying to display all y-axis names in scatter chart even without data

Hi @ShreyanshG, while @AbdelAnlah has a valid point, you could map your names to integers, plot these integers on the y-axis over the x-axis and use custom ticks to use the actual names. You could also map a color to each name. import pandas as pd import random import plotly.express as px random.seed(42) days = 31 # create data week = pd.date_range('01/01/2022', periods=days, freq='D') # all names all_names = list('ABCDEFGHIJKLMNOPQRSTUVWXYZ') # current names in period current_names = list…