Merge pull request matplotlib#23670 from stefmolin/new-bar-examples

Add bar color demo.

Author: QuLogic

examples/lines_bars_and_markers/bar_colors.py

@@ -0,0 +1,26 @@
+"""
+==============
+Bar color demo
+==============
+
+This is an example showing how to control bar color and legend entries
+using the *color* and *label* parameters of `~matplotlib.pyplot.bar`.
+Note that labels with a preceding underscore won't show up in the legend.
+"""
+
+import matplotlib.pyplot as plt
+
+fig, ax = plt.subplots()
+
+fruits = ['apple', 'blueberry', 'cherry', 'orange']
+counts = [40, 100, 30, 55]
+bar_labels = ['red', 'blue', '_red', 'orange']
+bar_colors = ['tab:red', 'tab:blue', 'tab:red', 'tab:orange']
+
+ax.bar(fruits, counts, label=bar_labels, color=bar_colors)
+
+ax.set_ylabel('fruit supply')
+ax.set_title('Fruit supply by kind and color')
+ax.legend(title='Fruit color')
+
+plt.show()