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How to add color-picker in Bokeh?

  • Last Updated : 31 Aug, 2021

In this article, we are going to see how to add a color picker widget in bokeh. 

Widgets are the best way to make charts more interactive. We can also add widgets in the Bokeh application to provide the best front-end user visualization. Using widgets we can do many things like update charts, connect to other programmatic functionality.  One of the widgets is the color picker.

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Creating a color picker for the line chart in bokeh:


# displaying the chart
from import show
from bokeh.layouts import column
# importing colorpicker model from bokeh
from bokeh.models import ColorPicker
# plotting the figure
from bokeh.plotting import Figure
plot = Figure(x_range=(0, 1), 
              y_range=(0, 1), 
line = plot.line(x=(0,1), 
picker = ColorPicker(title="Line Color")
show(column(plot, picker))


Color Picker in Bokeh

We plot a line chart with a color picker. Here we have explicitly specifies the line chart color ‘black’. The color of the line is by default ‘blue’ of a line chart. We can choose any color from the color picker and change our line chart color. Here I have chosen green color.

Green color Line Chart – with color picker

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