> uvx --with pillow --with okmain python -c "from PIL import Image; import okmain; print(okmain.colors(Image.open('bluemarble.jpg')))"
  [RGB(r=79, g=87, b=120), RGB(r=27, g=33, b=66), RGB(r=152, g=155, b=175), RGB(r=0, g=0, b=0)]

It would make sense to add an entrypoint in the pyproject.toml so you can use uvx okmain directly.