Is there any other similar expression beside White Paper, Green Paper, Yellow Pages and Blue Book? What is relation between their color and their meaning?
closed as general reference by Barrie England, Urbycoz, coleopterist, tchrist, MετάEd Sep 25 '12 at 18:58
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Green book - CCITT
Pages of gold (maybe not paper) - biblical metaphors
Black book(s) - out of favour. Noted for punitive action.
Little Black Book - contact list. ...
Blue (touch) paper - fireworks fuse
Purple paper - Canadian CCID (Collaborating Centre for Infectious Diseases)
Black Paper - anti-education policy newsletters - name intended to contrast with white-paper. UK 1960s-1970s
Ugandan daily tabloid newspaper Here ...
Purple pages - obscene, erotic. More recently = Gay friendly lists etc. Asheville Purple Pages