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I used to run a lab for a drug company and two in our department of four were colourblind (one of them female which is more rare as you need two copies of the gene).
Amongst other things, our department was responsible for colour checking incoming packaging items.
Interestingly, neither of them could tell you what colour something was, but both of them could tell you if a printed item matched a reference item.
As it was, we used a digital colorimeter to give us spectral information too, so it wasn't a huge issue.
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Overhead, the Albatross hangs motionless upon the air,
And deep beneath the rolling waves,
In labyrinths of Coral Caves,
The Echo of a distant time
Comes willowing across the sand;
And everthing is Green and Submarine
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