1. ImageOps Introduction: color

See: https://pillow.readthedocs.io/en/stable/reference/ImageOps.html
Below is a list of ImageOps methods related to color.

1.1. Image adjustment

ImageOps.autocontrast
../_images/compare_autocontrast.png

ImageOps.equalize
../_images/compare_equalize.png

1.2. Colour effects

ImageOps.grayscale
../_images/compare_grayscale.png
ImageOps.colorize
../_images/compare_colorize.png

ImageOps.invert
../_images/compare_invert1.png

ImageOps.posterize
../_images/compare_posterize.png

ImageOps.solarize
../_images/compare_solarize.png