ISO 12642-1:2011

INTERNATIONAL ISO
STANDARD 12642-1
Second edition
2011-07-15


Graphic technology — Input data for
characterization of four-colour process
printing —
Part 1:
Initial data set
Technologie graphique — Données d'entrée pour caractérisation
d'impression en quadrichromie —
Partie 1: Ensemble de données initiales





Reference number
ISO 12642-1:2011(E)
©
ISO 2011

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ISO 12642-1:2011(E)

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©  ISO 2011
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ii © ISO 2011 – All rights reserved

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ISO 12642-1:2011(E)
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.1
3 Terms and definitions .1
4 Requirements.2
Annex A (informative) Application notes.9
Bibliography.13

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ISO 12642-1:2011(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 12642-1 was prepared by Technical Committee ISO/TC 130, Graphic technology.
This second edition cancels and replaces the first edition (ISO 12642-1:1996) and its Technical Corrigendum
(ISO 12642-1:1996/Cor.1:2005) and introduces no change in the technical requirements. Subclause 4.4 and
Annex B have been replaced by references to ISO 28178 which has been created to include the data
exchange file format for this and other International Standards.
ISO 12642 consists of the following parts, under the general title Graphic technology — Input data for
characterization of four-colour process printing:
⎯ Part 1: Initial data set
⎯ Part 2: Expanded data set
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ISO 12642-1:2011(E)
Introduction
0.1 General background
The technical content of this part of ISO 12642 is identical to ANSI IT8.7/3-1993. The ANSI document resulted
from the joint efforts of an international industry group that included participants representing a broad range of
prepress vendors, film manufacturers, and users. This group, initially identified as the DDES (Digital Data
Exchange Standards) Committee, later became the founders of the ANSI IT8 (Image Technology) accredited
standards committee which is responsible for electronic data exchange standards in graphic arts prepress.
In an environment in which colour information is passed between electronic publishing systems, it is essential
for colour to be defined in an unambiguous manner. Substantial experimental evidence enables us to
conclude that, for foveal vision, this can be achieved by specifying the mixture of three linearly independent
stimuli required to match that colour. In 1931 a complete system of colour definition was developed by the CIE
(Commission Internationale de l'Eclairage) based on experimental evidence published during the previous
decade. This evidence confirmed the similarity between observers in making such a match. That system and
its derivatives are now universally accepted for colour specification.
Many half-tone colour printing processes, however, require more than three colourants. There are two
reasons for this. Generally the gamut of colours achievable with three printing inks is rather limited, and
printing additional inks can extend the gamut significantly. Furthermore, the provision of extra inks can reduce
the magnitude of the visual change caused by the variability in colour and register which arises in print
production. By far the most common additional ink used is black, and four-colour process printing is accepted
as the norm for most forms of printing.
The addition of an extra ink means that the production of a colour cannot, in general, be defined uniquely. As
a result, different parts of a printed sheet can use varying ink combinations to achieve the same colour. For
many practical purposes it is desirable to specify this combination directly, rather than encode it by rules, and
this leads to the requirement to transfer data in a four-colour, device-specific mode. If the same data are to be
used for other applications, or even if it needs to be modified for a different set of printing characteristics,
some additional information is necessary to enable the receiver of the data to interpret it. This part of
ISO 12642 has been developed to achieve this objective. It provides a data set which can be transmitted with
an image to enable the receiver, if required, either to transform the data into a device-independent state or
correct it for a different printing characteristic. An alternative application of the tools provided by this part of
ISO 12642 is to enable the characterization of output systems; in this context, work has been undertaken by
the committee to generate data for the major types of half-tone printing processes which have been specified
internationally. This procedure is described in the application notes (Annex A) and the data will be published in
future annexes.
The body of this part of ISO 12642 defines the ink values to be used for characterizing any four-colour (cyan,
magenta, yellow, and black) half-tone printing process (including gravure). These ink values are defined as
either digital data in a computer or half-tone tone values on film. This requires that particular care be taken in
the preparation of film to ensure that the output device is properly “linearized” and the half-tone film values
match the numerical data in the computer file. For some applications the film values used for linearization can
be one or more generations removed from the film produced by the film writer. The measurement procedures
and the data format to be used in determining and reporting tristimulus values (X,Y,Z) are also included.
While the technique employed in this part of ISO 12642 applies to all output processes, the data have been
optimized for four-colour half-tone printing. For non-half-tone processes, or those which use colourants that
are significantly different from typical printing inks, it is advisable that the reference data file be determined in
such a way that it provides reasonably uniform colour differences when the data file is rendered. For a system
which does not meet the criterion, the user-optional data set can be utilized. Suggestions for this are made in
the application notes; however, they are not part of this part of ISO 12642.
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ISO 12642-1:2011(E)
Note that this part of ISO 12642 does not define the physical layout of the patches or their size. This is
because any such decision depends on the printing device to be used, and the area required for colour
measurement. It is anticipated that a specific layout will be produced to suit the needs of the user. However, in
order to realize the colours necessary for the measurements of specific printing processes to be included as
future annexes, it was necessary to produce a specific layout. This layout, composed of four groups of
patches, has been adopted by both ANSI/CGATS and ISO/TC 130. Within TC 130 the digital data in the
appropriate format are contained in images S7 to S10 of the Standard Colour Image Data (SCID),
ISO 12640-1:1997. For the guidance of others, this layout is shown in Figure A.1.
0.2 Technical background
0.2.1 Printing characteristics
Various efforts have been made over the past 20 years to reduce the variation which occurs between printing
presses. Initially, standards such as ISO 2846 were developed to specify the colour of printing inks.
Subsequently, as a result of the lead of FOGRA/BVD in Germany, significant effort has been made in
developing specifications which define constraints for the ink transfer onto paper. This is achieved by
specifying either the reflection density or the tristimulus values of a uniform (solid) printed ink film, and by
specifying tolerances on the optical density (i.e. dot value) of various half-tone dot values. Within the
international printing community such specifications are widely recognized and have become, in many cases,
de facto printing standards. For magazine and periodical printing, SWOP (in the USA) and FIPP (in Europe)
are widely recognized standards. For commercial printing, the specifications of FOGRA and PIRA are widely
known in Europe. Specifications are also evolving for newspaper and heat-set web production. Future
annexes to this part of ISO 12642 might contain the colorimetric tristimulus values corresponding to these
percent dot values when printed in accordance with a number of such printing specifications. Such data can
be used as the basis for the conversion between ink values and tristimulus values.
Note that any characterization of the process takes account of all steps involved in print production. Thus it
includes production of the separations, any contacting operations that might be required and platemaking. All
of the printing specifications as referred to above include recommendations for maintaining consistency of
such operations to ensure that validity of a characterization is maintained.
For characterizing printing conditions which differ from the published specifications, two options exist. Either
the large palette of colours can be printed and measured, or the process can be modelled analytically. The
analytical modelling approach has the advantage of requiring far fewer colour measurements; the
disadvantages lie in the accuracy of prediction. For many applications, a satisfactory compromise is achieved
by using modelling for the modification of published data. This is discussed in more detail in the application
notes.
0.2.2 Choice of colour palette
It is generally agreed that measurement of a reasonably large number of colours is preferred for accurate
characterization of any printing process. It is not possible to be precise about how many colours are required;
the number will depend on many factors including the accuracy of colour rendition required, the uniformity of
spacing of the samples in terms of colour, the type of modelling process used, and any nonlinear
characteristics of a specific printing process. However, practical experience suggests that measuring all
combinations of six levels each for cyan, magenta, yellow, and black, preferably weighted towards lower
half-tone dot values, will frequently prove adequate. Generally, for higher levels of black, the number of
samples can be considerably reduced, since the colour difference between samples is very small. With the
addition of single colour scales which contain extra values to assist in defining local nonlinearity, the accuracy
obtained for most printing processes is adequate.
A reduced-size data set can be used if:
⎯ a less accurate characterization is adequate;
⎯ the process can be modelled accurately by one of the well-known models listed in the application notes;
⎯ the aim of the measurement is to seek small corrections to an already accurate characterization.
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ISO 12642-1:2011(E)
The advantages of this approach are that the measurement effort is substantially lower and that the file size of
the data is greatly reduced. This can be advantageous when images are compressed although, in general,
even the larger file is small compared to most images.
The proposal accepted for this part of ISO 12642 defines a colour palette consisting of 928 combinations of
cyan, magenta, yellow, and black ink values. It is this palette (hereafter called the extended ink value data set)
which has been measured to provide colour characterization data on the major printing specifications.
Where such an extensive set of data is not required, a subset of this palette which consists of 182 colours
(hereafter called the basic ink value data set) is specified. It provides data suited to a variety of modelling
methods and generally provides excessive data for any specific method. It is sufficient for almost all published
modelling methods.
For a characterization which cannot be achieved with the data sets defined in this part of ISO 12642, provision
is made for a user-optional set of any size. The format of the data is defined in this part of ISO 12642.
It is anticipated that the basic data set will be the default file supplied in the header of image files to be
exchanged, and that by prior agreement, one of the larger palettes can be provided when required. It is the
intent of ANSI IT8/CGATS and of ISO/TC 130 to work with those organizations responsible for various printing
definitions (SWOP, FOGRA, etc.) to develop tables of colour data that are agreed to be representative of the
named printing conditions. When such data are available and published by ISO, they can be referenced as
“named” data. Where such named data are identified, they can be used by the receiver and the file need not
be sent. For many applications it is expected that the use of named data sets will suffice.
ISO 12642-2 is both a newer and larger data set and is currently preferred over this part of ISO 12642 for
characterization of graphic arts printing. However, this part of ISO 12642 is essential for the documentation
and validation of earlier characterization data.

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INTERNATIONAL STANDARD ISO 12642-1:2011(E)

Graphic technology — Input data for characterization of four-
colour process printing —
Part 1:
Initial data set
1 Scope
This part of ISO 12642 defines an input data file, a measurement procedure and an output data format for use
in characterizing any four-colour printing process.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 13655, Graphic technology — Spectral measurement and colorimetric computation for graphic arts
images
ISO 28178, Graphic technology — Exchange format for colour and process control data using XML or ASCII
text
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
CIE tristimulus values
amounts of the three reference colour stimuli, in the CIE-specified trichromatic system, required to match the
colour of the stimulus considered
NOTE In the 1931 CIE standard colorimetric system, the tristimulus values are represented by the symbols X, Y, Z.
3.2
colour gamut
subset of perceivable colours reproducible by a device or medium
3.3
half-tone dots
dots which vary in spatial frequency or size, thereby producing an image of tonal gradation
NOTE Half-tone dots are normally quantified by the percentage area they cover. Measurement of dot area is
normally made on film separations and is derived from the Murray-Davies equation.
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ISO 12642-1:2011(E)
3.4
keyword value file
file that makes use of predefined keywords and data tables to exchange data in an open extensible manner
3.5
process colour printing
reproducing colour images using three or more printing inks
NOTE The normal process inks consist of cyan, magenta, yellow, and black.
3.6
ink value
digital file value which represents the amount of a colourant required in a rendering process
NOTE For the half-tone printing process this is equivalent to the dot area of the half-tone film expressed as a
percentage.
4 Requirements
4.1 Data set definition
4.1.1 General
Two sets of ink values are specified which span, with differing intervals, the colour space defined by
combinations of cyan, magenta, yellow, and black dot area percentages. The basic data set, which is a subset
of the extended data set, shall be the default set in the absence of any other information; the extended data
set (or subsets of it) may be used if specified. The data are defined as digital data and does not exist as
printed images (or sets of separations). However, the colorimetric values needed to produce the colour
characterization data file may be determined by printing images which have been made from films containing
half-tone values corresponding to the values in the ink value data set.
4.1.2 Basic ink value data set
The cyan, magenta, yellow, and black ink values specified in this set, and their identification (ID) numbers,
shall be as listed in Table 1.
The sample location information included in Table 1 is based on the printing layout shown in Figure A.1 and is
included for information only.
4.1.3 Extended ink value data set
The extended data set shall include the values of Table 1 as well as those of Table 2.
The sample location information included in Table 2 is based on the printing layout shown in Figure A.1 and is
included for information only.
4.1.4 User-defined data set
For situations where it is deemed necessary to provide a larger or differently spaced ink value data set, the
user may define a data set of his own. The ink values selected shall be provided using the data format
specified in ISO 28178.
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ISO 12642-1:2011(E)
4.2 Colour measurement
Spectrophotometric measurement and calculation of colorimetric data of the printed sheet shall be made in
accordance with ISO 13655. For the purposes of this part of ISO 12642, in those specific situations where a
backing other than black is deemed more appropriate and is used in measurement, that shall be noted.
NOTE Additional measured or computed data can be reported as desired. The data file format defined in ISO 28178
provides for the typical densitometric and colorimetric data reported.
4.3 Data reporting
Colorimetric data, measured in accordance with 4.2, shall be reported as CIE tristimulus values to two decimal
places using the data file format specified in ISO 28178.
The following additional data shall be provided to adequately define the measuring conditions:
a) originator of the data;
b) date of creation of data;
c) description of the purpose or contents of the data;
d) description of the instrumentation used, including, but not limited to, the brand and model number;
e) measurement source (light source and filter) conditions used;
f) wavelength interval used.
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ISO 12642-1:2011(E)
Table 1 — Basic ink value data set
Sample % Dot Sample % Dot Sample % Dot
a a a
ID Location C M Y K ID Location C M Y K ID Location C M Y K
1 0A01 100 0 0 0 62 0E10 0 0 15 0 123 0J06 100 85 85 80
2 0A02 0 100 0 0 63 0E11 0 0 10 0 124 0J07 100 85 85 60
3 0A03 0 0 100 0 64 0E12 0070 125 0J08 80 65 65 100
4 0A04 100 100 0 0 65 0E13 0030 126 0J09 80 65 65 80
5 0A05 100 0 100 0 66 0F01 0 0 0 90 127 0J10 80 65 65 60
6 0A06 0 100 100 0 67 0F02 0 0 0 80 128 0J11 80 65 65 40
7 0A07 100 100 100 0 68 0F03 0 0 0 70 129 0J12 60 45 45 100
8 0A08 70 70 0 0 69 0F04 0 0 0 60 130 0J13 60 45 45 80
9 0A09 70 0 70 0 70 0F05 0 0 0 50 131 0K01 60 45 45 60
10 0A10 0 70 70 0 71 0F06 0 0 0 40 132 0K02 60 45 45 40
11 0A11 40 40 0 0 72 0F07 0 0 0 30 133 0K03 60 45 45 20
12 0A12 0 40 40 0 73 0F08 0 0 0 25 134 0K04 40 27 27 100
13 0A13 40 40 40 0 74 0F09 0 0 0 20 135 0K05 40 27 27 80
14 0B01 40 0 40 0 75 0F10 0 0 0 15 136 0K06 40 27 27 60
15 0B02 20 20 0 0 76 0F11 0 0 0 10 137 0K07 40 27 27 40
16 0B03 20 0 20 0 77 0F12 0007 138 0K08 40 27 27 20
17 0B04 0 20 20 0 78 0F13 0003 139 0K09 40 27 27 10
18 0B05 100 0 0 100 79 0G01 40 100 0 0 140 0K10 20 12 12 100
19 0B06 0 100 0 100 80 0G02 40 100 40 0 141 0K11 20 12 12 80
20 0B07 0 0 100 100 81 0G03 0 100 40 0 142 0K12 20 12 12 60
21 0B08 100 100 0 100 82 0G04 40 100 100 0 143 0K13 20 12 12 40
22 0B09 100 0 100 100 83 0G05 0 40 100 0 144 0L01 20 12 12 20
23 0B10 0 100 100 100 84 0G06 40 40 100 0 145 0L02 20 12 12 10
24 0B11 100 100 100 100 85 0G07 70 70 70 0 146 0L03 10 6 6 100
25 0B12 0 0 0 100 86 0G08 40 0 100 0 147 0L04 10 6 6 80
26 0B13 0 0 0 0 87 0G09 100 40 100 0 148 0L05 10 6 6 60
27 0C01 90 0 0 0 88 0G10 100 0 40 0 149 0L06 10 6 6 40
28 0C02 80 0 0 0 89 0G11 100 40 40 0 150 0L07 10 6 6 20
29 0C03 70 0 0 0 90 0G12 100 40 0 0 151 0L08 10 6 6 10
30 0C04 60 0 0 0 91 0G13 100 100 40 0 152 0L09 100 85 85 0
31 0C05 50 0 0 0 92 0H01 70 100 20 0 153 0L10 80 65 65 0
32 0C06 40 0 0 0 93 0H02 20 70 20 0 154 0L11 60 45 45 0
33 0C07 30 0 0 0 94 0H03 20 70 40 0 155 0L12 40 27 27 0
34 0C08 25 0 0 0 95 0H04 20 100 70 0 156 0L13 20 12 12 0
35 0C09 20 0 0 0 96 0H05 20 70 70 0 157 0M01 10 6 6 0
36 0C10 15 0 0 0 97 0H06 20 70 100 0 158 0M02 5 3 3 0
37 0C11 10 0 0 0 98 0H07 20 20 70 0 159 0M03 100 0 0 20
38 0C12 7 0 0 0 99 0H08 70 20 100 0 160 0M04 0 100 0 20
39 0C13 3 0 0 0 100 0H09 70 20 70 0 161 0M05 0 0 100 20
40 0D01 0 90 0 0 101 0H10 100 20 70 0 162 0M06 100 100 0 20
41 0D02 0 80 0 0 102 0H11 70 20 20 0 163 0M07 100 0 100 20
42 0D03 0 70 0 0 103 0H12 100 70 20 0 164 0M08 0 100 100 20
43 0D04 0 60 0 0 104 0H13 70 70 20 0 165 0M09 40 40 0 20
44 0D05 0 50 0 0 105 0I01 70 100 70 0 166 0M10 40 0 40 20
45 0D06 0 40 0 0 106 0I02 40 70 40 0 167 0M11 0 40 40 20
46 0D07 0 30 0 0 107 0I03 20 40 20 0 168 0M12 100 100 0 40
47 0D08 0 25 0 0 108 0I04 70 100 100 0 169 0M13 100 0 100 40
48 0D09 0 20 0 0 109 0I05 20 40 40 0 170 0N01 0 100 100 40
49 0D10 0 15 0 0 110 0I06 70 70 100 0 171 0N02 40 40 0 40
50 0D11 0 10 0 0 111 0I07 40 40 70 0 172 0N03 40 0 40 40
51 0D12 0 7 0 0 112 0I08 20 20 40 0 173 0N04 0 40 40 40
52 0D13 0 3 0 0 113 0I09 20 20 20 0 174 0N05 100 0 0 70
53 0E01 0 0 90 0 114 0I10 100 70 100 0 175 0N06 0 100 0 70
54 0E02 0 0 80 0 115 0I11 70 40 70 0 176 0N07 0 0 100 70
55 0E03 0 0 70 0 116 0I12 40 20 40 0 177 0N08 100 100 0 70
56 0E04 0 0 60 0 117 0I13 100 70 70 0 178 0N09 100 0 100 70
57 0E05 0 0 50 0 118 0J01 40 40 20 0 179 0N10 0 100 100 70
58 0E06 0 0 40 0 119 0J02 100 100 70 0 180 0N11 40 40 0 70
59 0E07 0 0 30 0 120 0J03 40 20 20 0 181 0N12 40 0 40 70
60 0E08 0 0 25 0 121 0J04 70 40 40 0 182 0N13 0 40 40 70
61 0E09 0 0 20 0 122 0J05 100 85 85 100
a
Location data are included for information only.
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ISO 12642-1:2011(E)
Table 2 — Extended ink value data set
Sample % Dot Sample % Dot Sample % Dot
a a a
ID Location C M Y K ID Location C M Y K ID Location C M Y K
183 1A1 0 0 0 0 253 2F5 100 70 10 0 323 4F3 100 20 40 0
184 1A2 0 10 0 0 254 2F6 100100 10 0324 4F4 100 40 40 0
185 1A3 0 20 0 0 255 3A1 0 020 0325 4F5 100 7040 0
186 1A4 0 40 0 0 256 3A2 01020 0326 4F6 100 10040 0
187 1A5 0 70 0 0 257 3A3 02020 0327 5A1 0 070 0
188 1A6 0 100 0 0 258 3A4 04020 0328 5A2 0 1070 0
189 1B1 10 0 0 0 259 3A5 0 70 20 0 329 5A3 0 20 70 0
190 1B2 10 10 0 0 260 3A6 010020 0330 5A4 0 4070 0
191 1B3 10 20 0 0 261 3B1 10 020 0331 5A5 0 7070 0
192 1B4 10 40 0 0 262 3B2 101020 0332 5A6 0 10070 0
193 1B5 10 70 0 0 263 3B3 102020 0333 5B1 10 070 0
194 1B6 10 100 0 0 264 3B4 104020 0334 5B2 10 1070 0
195 1C1 20 0 0 0 265 3B5 10 70 20 0 335 5B3 10 20 70 0
196 1C2 20 10 0 0 266 3B6 1010020 0336 5B4 10 4070 0
197 1C3 20 20 0 0 267 3C1 20 020 0337 5B5 10 7070 0
198 1C4 20 40 0 0 268 3C2 201020 0338 5B6 10 10070 0
199 1C5 20 70 0 0 269 3C3 202020 0339 5C1 20 070 0
200 1C6 20 100 0 0 270 3C4 204020 0340 5C2 20 1070 0
201 1D1 40 0 0 0 271 3C5 207020 0341 5C3 20 2070 0
202 1D2 40 10 0 0 272 3C6 2010020 0342 5C4 20 4070 0
203 1D3 40 20 0 0 273 3D1 40 020 0343 5C5 20 7070 0
204 1D4 40 40 0 0 274 3D2 401020 0344 5C6 20 10070 0
205 1D5 40 70 0 0 275 3D3 402020 0345 5D1 40 070 0
206 1D6 40 100 0 0 276 3D4 404020 0346 5D2 40 1070 0
207 1E1 70 0 0 0 277 3D5 40 70 20 0 347 5D3 40 20 70 0
208 1E2 70 10 0 0 278 3D6 4010020 0348 5D4 40 4070 0
209 1E3 70 20 0 0 279 3E1 70 020 0349 5D5 40 7070 0
210 1E4 70 40 0 0 280 3E2 701020 0350 5D6 40 10070 0
211 1E5 70 70 0 0 281 3E3 702020 0351 5E1 70 070 0
212 1E6 70 100 0 0 282 3E4 704020 0352 5E2 70 1070 0
213 1F1 100 0 0 0 283 3E5 70 70 20 0 353 5E3 70 20 70 0
214 1F2 100 10 0 0 284 3E6 7010020 0354 5E4 70 4070 0
215 1F3 100 20 0 0 285 3F1 100 0 20 0355 5E5 70 70 70 0
216 1F4 100 40 0 0 286 3F2 100 10 20 0356 5E6 70 100 70 0
217 1F5 100 70 0 0 287 3F3 100 20 20 0357 5F1 100 0 70 0
218 1F6 100 100 0 0 288 3F4 100 40 20 0358 5F2 100 10 70 0
219 2A1 0 0 10 0 289 3F5 100 70 20 0359 5F3 100 20 70 0
220 2A2 0 10 10 0 290 3F6 100 100 20 0 360 5F4 100 40 70 0
221 2A3 0 20 10 0 291 4A1 0 0 40 0 361 5F5 100 70 70 0
222 2A4 0 40 10 0 292 4A2 0 10 40 0 362 5F6 100 100 70 0
223 2A5 0 70 10 0 293 4A3 02040 0363 6A1 0 0100 0
224 2A6 0 100 10 0 294 4A4 04040 0364 6A2 0 10100 0
225 2B1 10 0 10 0 295 4A5 07040 0365 6A3 0 20100 0
226 2B2 10 10 10 0 296 4A6 0 100 40 0 366 6A4 0 40 100 0
227 2B3 10 20 10 0 297 4B1 10 0 40 0 367 6A5 0 70 100 0
228 2B4 10 40 10 0 298 4B2 10 10 40 0 368 6A6 0 100 100 0
229 2B5 10 70 10 0 299 4B3 102040 0369 6B1 10 0100 0
230 2B6 10 100 10 0 300 4B4 104040 0370 6B2 10 10100 0
231 2C1 20 0 10 0 301 4B5 107040 0371 6B3 10 20100 0
232 2C2 20 10 10 0 302 4B6 10 100 40 0 372 6B4 10 40 100 0
233 2C3 20 20 10 0 303 4C1 20 0 40 0 373 6B5 10 70 100 0
234 2C4 20 40 10 0 304 4C2 20 10 40 0 374 6B6 10 100 100 0
235 2C5 20 70 10 0 305 4C3 202040 0375 6C1 20 0100 0
236 2C6 20 100 10 0 306 4C4 204040 0376 6C2 20 10100 0
237 2D1 40 0 10 0 307 4C5 207040 0377 6C3 20 20100 0
238 2D2 40 10 10 0 308 4C6 2010040 0378 6C4 20 40100 0
239 2D3 40 20 10 0 309 4D1 40 040 0379 6C5 20 70100 0
240 2D4 40 40 10 0 310 4D2 401040 0380 6C6 20 100100 0
241 2D5 40 70 10 0 311 4D3 402040 0381 6D1 40 0100 0
242 2D6 40 100 10 0 312 4D4 404040 0382 6D2 40 10100 0
243 2E1 70 0 10 0 313 4D5 407040 0383 6D3 40 20100 0
244 2E2 70 10 10 0 314 4D6 40 100 40 0 384 6D4 40 40 100 0
245 2E3 70 20 10 0 315 4E1 70 0 40 0 385 6D5 40 70 100 0
246 2E4 70 40 10 0 316 4E2 70 10 40 0 386 6D6 40 100 100 0
247 2E5 70 70 10 0 317 4E3 702040 0387 6E1 70 0100 0
248 2E6 70 100 10 0 318 4E4 704040 0388 6E2 70 10100 0
249 2F1 100 0 10 0 319 4E5 707040 0389 6E3 70 20100 0
250 2F2 100 10 10 0 320 4E6 70 100 40 0 390 6E4 70 40 100 0
251 2F3 100 20 10 0 321 4F1 100 0 40 0 391 6E5 70 70 100 0
252 2F4 100 40 10 0 322 4F2 100 10 40 0 392 6E6 70 100 100 0
© ISO 2011 – All rights reserved 5

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ISO 12642-1:2011(E)
Table 2 (continued)
Sample % Dot Sample % Dot Sample % Dot
a a a
ID Location C M Y K ID Location C M Y K ID Location C M Y K
393 6F1 100 0 100 0 463 8E5 70 70 10 20 533 10E3 70 20 40 20
394 6F2 100 10 100 0 464 8E6 70 100 10 20 534 10E4 70 40 40 20
395 6F3 100 20 100 0 465 8F1 100 0 10 20 535 10E5 70 70 40 20
396 6F4 100 40 100 0 466 8F2 100 10 10 20 536 10E6 70 100 40 20
397 6F5 100 70 100 0 467 8F3 100 20 10 20 537 10F1 100 0 40 20
398 6F6 100 100 100 0 468 8F4 100 40 10 20 538 10F2 100 10 40 20
399 7A1 0 0 0 20 469 8F5 100 70 10 20 539 10F3 100 20 40 20
400 7A2 0 10 0 20 470
...