I used to Photoshop>Pixellate a nice photograph very coarsely, and cherry pick a few colours from the resulting "swatch". Not sure how sound a method it was, bu

I used to Photoshop>Pixellate a nice photograph very coarsely, and cherry pick a few colours from the resulting "swatch". Not sure how sound a method it was, but it got me past analysis paralysis when starting a new project.