If you invert the colours the ghostly woman appears normal.

I got an iPad Pro for Christmas and I was so excited for this challenge I even tried some shading which I’m super proud of! (The ghost world doesn’t have shading because ghosts don’t leave shadows)

Progress:
https://www.newgrounds.com/art/view/jtigerr/inverted-heart-progress-pictures - in pics
https://www.newgrounds.com/portal/view/705669 - as a timelapse