.. note::
    :class: sphx-glr-download-link-note

    Click :ref:`here <sphx_glr_download_gallery_color_named_colors.py>` to download the full example code
.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_color_named_colors.py:


========================
Visualizing named colors
========================

Simple plot example with the named colors and its visual representation.

For more information on colors in matplotlib see

* the :doc:`/tutorials/colors/colors` tutorial;
* the `matplotlib.colors` API;
* the :doc:`/gallery/color/color_demo`.



.. code-block:: python

    from __future__ import division

    import matplotlib.pyplot as plt
    from matplotlib import colors as mcolors


    colors = dict(mcolors.BASE_COLORS, **mcolors.CSS4_COLORS)

    # Sort colors by hue, saturation, value and name.
    by_hsv = sorted((tuple(mcolors.rgb_to_hsv(mcolors.to_rgba(color)[:3])), name)
                    for name, color in colors.items())
    sorted_names = [name for hsv, name in by_hsv]

    n = len(sorted_names)
    ncols = 4
    nrows = n // ncols

    fig, ax = plt.subplots(figsize=(9, 8))

    # Get height and width
    X, Y = fig.get_dpi() * fig.get_size_inches()
    h = Y / (nrows + 1)
    w = X / ncols

    for i, name in enumerate(sorted_names):
        row = i % nrows
        col = i // nrows
        y = Y - (row * h) - h

        xi_line = w * (col + 0.05)
        xf_line = w * (col + 0.25)
        xi_text = w * (col + 0.3)

        ax.text(xi_text, y, name, fontsize=(h * 0.5),
                horizontalalignment='left',
                verticalalignment='center')

        ax.hlines(y + h * 0.1, xi_line, xf_line,
                  color=colors[name], linewidth=(h * 0.6))

    ax.set_xlim(0, X)
    ax.set_ylim(0, Y)
    ax.set_axis_off()

    fig.subplots_adjust(left=0, right=1,
                        top=1, bottom=0,
                        hspace=0, wspace=0)
    plt.show()




.. image:: /gallery/color/images/sphx_glr_named_colors_001.png
    :class: sphx-glr-single-img




------------

References
""""""""""

The use of the following functions, methods, classes and modules is shown
in this example:



.. code-block:: python


    import matplotlib
    matplotlib.colors
    matplotlib.colors.rgb_to_hsv
    matplotlib.colors.to_rgba
    matplotlib.figure.Figure.get_size_inches
    matplotlib.figure.Figure.subplots_adjust
    matplotlib.axes.Axes.text
    matplotlib.axes.Axes.hlines







.. _sphx_glr_download_gallery_color_named_colors.py:


.. only :: html

 .. container:: sphx-glr-footer
    :class: sphx-glr-footer-example



  .. container:: sphx-glr-download

     :download:`Download Python source code: named_colors.py <named_colors.py>`



  .. container:: sphx-glr-download

     :download:`Download Jupyter notebook: named_colors.ipynb <named_colors.ipynb>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    Keywords: matplotlib code example, codex, python plot, pyplot
    `Gallery generated by Sphinx-Gallery
    <https://sphinx-gallery.readthedocs.io>`_