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Grey

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This page contains content from Ashby Mapping    revision 01/00

Grey colour is usually applied to maps a dot tone of black.

Two tones are defined in the default OCAD colour table:

Grey colour can be printed directly to give a smoother colour. This is sometimes done on continental maps with a lot of bare rock. To do this the symbols that use this colour will have to be redefined.

Symbols that display in grey on the screen are usually undefined symbols; these are not the same as grey coloured symbols. Undefined symbols will not print.

The Pantone Matching System

The Pantone Matching System is one of the colour models used by commercial printers.

IOF Specifications define the following colours, their approximate CMYK (process colour) translations are given:-

Colour Pantone Cyan Magenta Yellow K (black)
Black Black 0 0 0 100
Brown 471 0 56 100 19
Yellow 136 0 28 79 0
Blue 299 87 19 0 0
Green 361 76 0 91 0
Grey 428 0 0 0 23
grey is usually applied as a tone of the black separation.

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International Specification for Orienteering Maps produced by the International Orienteering Federation
OCAD produced by Hans Steinegger Software. 1988-1999 Hans Steinegger. OCAD is a registered trademark of Hans Steinegger
This document has been written and coded by Peter Hornsby of Ashby Mapping
Apologies for any mistakes and errors; please inform details of any problems, thanks.
Produced for the Ashby Mapping internet site on 20 November 1997 and 1 December 1999  1997-2000 Ashby Mapping
Revised 28 December 1999, 23 March 2000