- GREY SCALES AND COLOUR PATCHES -

Technical Information Section

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GREY SCALES AND COLOUR PATCHES are useful for setting up and calibrating digital image processing systems and computer monitors. Both Grey Scales are identical except one is saved in monochrome format whilst the other is in RGB format. Colour Patches are in the order Cyan, Magenta, Yellow, Red, Green, Blue, Black, White.

PATCH FIGURES are given in Adobe Photoshop and MicroGrafx values as a guide to what might be expected from different types of software.

TEST SCALES are small jpg files and may be saved by right clicking on the desired scale then saving as an image and can be printed in the normal manner.

NOTE The MPP Users' Club is not able to give technical advice on setting up computer or digital imaging systems.

Mono Grey Scale

.

THIS IMAGE CAN BE SAVED

1 (White) - 2 - 3 - 4 - 5 - 6 - 7 (Black)

Print size 7.0 x 0.95 inches

Adobe Photo Shop Values

Patch

K%

C

Y

M

K
1 (White)

0

0

0

0

0
2

10

12

7

7

0
3

20

34

23

23

3
4

40

42

29

29

7
5

70

60

47

46

43
6

90

65

52

51

83
7 (Black)

99

65

53

51

99
MicroGrafx Picture Publisher 7 Values

Patch

V

1 (White)

255
2

230
3

205
4

154
5

77
6

26
7 (Black)

1

RGB Grey Scale

.

THIS IMAGE CAN BE SAVED

1 (White) - 2 - 3 - 4 - 5 - 6 - 7 (Black)

Print size 7.0 x 0.95 inches

Adobe Photo Shop Values
Patch

Red

Green

Blue
1 (White)

255

255

255
2

230

230

230
3

205

205

205
4

154

154

154
5

77

77

77
6

26

26

26
7 (Black)

1

1

1

MicroGrafx Picture Publisher 7 Values

Patch

Red

 Green

Blue
1 (White)

255

255

255
2

230

230

230

3

205

205

205
4

154

154

154
5

77

77

77
6

26

26

26
7 (Black)

1

1

1

Colour Patches

.

THIS IMAGE CAN BE SAVED

Print Size 8.3 x 0.94 inches

Adobe Photo Shop Values

Patch

Red

Green

Blue

Cyan

1

255

255
Magenta

255

0

255
Yellow

255

255

1
Red

254

0

2
Green

0

255

1
Blue

1

1

255
Black

1

1

1
White

255

255

255

MicroGrafx Picture Publisher 7 Values

Patch

Red

Green

Blue
Cyan

0

255

254
Magenta

255

0

255
Yellow

255

255

0
Red

253

0

1
Green

0

255

1
Blue

0

1

254
Black 1

1

1
White

255

255

255

CLICK TO DOWNLOAD LARGE CHART

CIE Colour Space Chart

R G B Breakdown Chart

Alternative Monitor / Printer Setup Greyscale

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