Now here is a clever idea from Chicago based photographer, Paul Octavious. This one is iPhone based, but still, a great project to get you going.
Get the 100 pack Pantone Postcard set, match the colours with that of the background, and start snapping.
Here is how the pro Octavious does it:
Would you be surprised to learn that it has caught on? Here is how others have fared:
Will you try it?