Yes, in the product designer, you can turn your image into black and white or sepia by clicking the "Edit Image" button right below your picture. Of course, you can also upload images that are already in black-and-white.
After clicking "Edit Image," a window will open with many options to customize your image exactly as you wish. Below the image, you'll find functions to rotate, flip, and crop the image. On the left, under "Settings," you can adjust details such as brightness, contrast, saturation, and much more. Next to the settings, under "Filters," you’ll find additional options to transform your image as you like.