See Also...International Specification for Orienteering Maps ISOM Index Symbols Index Map type index previous next
Each spot colour ink is made by mixing a number of stock inks in specific proportions to produce the desired colour.
The colours specified for use for orienteering maps are
defined by the Pantone Matching System (PMS).
The map may be in up to 6 colours (excluding overprinting).
The following recommendations for
spot colours are intended to standardise maps as much as possible:
Text that is new or revised from ISOM1990 is shown in maroon type.
Where text has been removed or significantly altered from ISOM1990 this
symbol
appears in the text, clicking on the symbol will jump to the section
below on this page with the details of this amended text.
New
subsection was mainly in ISOM1990 3.3 Printing
'given
in' changed to 'defined by'
Peviously
was: - 'It will be in up to 6 colours depending on the cartography and the nature
of the terrain
'for spot colours' added as there is now a section for 4
colour offset printing
New
table on printing order added
The alternative yellows (PMS 122 and PMS 129) have been removed
The alternative grey (PMS 427) has been deleted
Due to the number of changes to the printing section; the entire text of the
1990 specification is reproduced here: -
An orienteering map must be printed on good, possibly water resistant, paper (weight 80 - 120 gsm).
Spot colour printing is recommended for IOF events. Other printing methods may be used,
if colours and line width have the same quality as printing with spot colours.
Legibility depends on the correct choice of colours.
The following recommendations for are intended to standardise maps as much as possible:
| Colour | PMS number | Alternative |
| Black | Process black | |
| Brown | 471 | |
| Yellow | 136 | 122, 129 |
| Blue | 299 | |
| Green | 361 | |
| Grey | 428 | 427 |
| Violet | Purple |