Plotly: How to change the colorscheme of a plotly express scatterplot?

Question

I am trying to work with plotly, specifically ploty express, to build a few visualizations.

One of the things I am building is a scatterplot

I have some code bel

Answer 1

You can use a method called color_discrete_map, which is a dict of k,v pairs where the k is the value for the color and v is the colorscheme. For example:

fig = px.scatter(df, x='sepal_length', y='sepal_width',
              color='species', color_discrete_map={'setosa': 'lightcyan', 
                                                   'versicolor': 'royalblue', 'virginica': 'darkblue'})