One of my favourite bread has a nice packaging with three very important colours for the manufacturer: dark blue, dark green and light green. As these colours are essential for the customer to recognise the product on the shelf, they decided to get rid of black altogether.
On the colour control points, Cyan, Yellow and Magenta are associated with three spot colours. As a result the sandwich picture on the other side is fairly poor quality, there is no black to smoothen the colours.
The image is represented using the theoretical "three colours is enough" which in practice cannot reach very far in the gamut.
There will be more things about gamuts in a future post... about animal vision and colour cones.
By the way this bread is delicious.
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