I love these paper posters because of the use of colour and angles. The paper adds layers and a small effect because of the way you can see the paper is laid over one another. I think the different colour papers work well and could work for a key code.
Pigmentpol is a german digital printing company that has recently adopted a new corporate identity. Designed by the FELD studio and ATMO studio, the hexagon system and generated color schemes is not necessarily new but it works,