6. ImageChops constant

See: https://pillow.readthedocs.io/en/stable/reference/ImageChops.html#PIL.ImageChops.constant

6.1. Constant

Use the ImageChops.constant(image, value) to return an image with a given grey level.
from PIL import Image, ImageChops

with Image.open("shapes/x.png") as im1:
    im_out = ImageChops.constant(im1, 205)
    im_out.save("chops/constant.png")
../_images/constant.png