From your command line, clone the repository:
git clone https://github.com/ljsauer/palettable.git
Or, click on the green "Code" button at the top of the page and click "Download ZIP"
Again from the command line, install the packages in requirements.txt:
pip install -r requirements.txt
Run the program, including a path to your image file:
python run.py -image <path/to/your/image>
Optionally, specify the position, orientation, and size of the palette. Example:
python run.py -image myimage.jpg -pos topLeft -orient vert -num 6