Greyt Britiain

Whilst researching last year for the 'manual' brief, I came across something which was really inspiring but I can't manage to track it down.

Concept:

It was called 'Greyt Britain' and it was similar to a pantone colour chart except it was all different colours of grey, linked to Great Britain.

I find both the name and concept interesting because of it's relevance to the course.

If anybody knows who did it and where I can find some more info, I would greytly appreciate it!