1. ICC profiles Understood
Colour Management
ICC profiles
Understood
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2. What is Colour?
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3. Three types of colour space
What is Colour?
Three types of colour space
RGB
sRGB
CMYK
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5. What is Colour? RGB & CMYK are known as
device-dependent or device specific
colour models.
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6. What is Colour?
RGB & CMYK are known as device-dependent or device specific colour models.
The same set of RGB or CMYK numbers will produce different results on different devices.
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8. What is Colour Management?
The process of producing images on various output devices & media whilst maintaining colour accuracy.
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9. What is Colour Management?
The process of producing images on various output devices whilst maintaining colour accuracy.
CM attempts to produce predictable colour within the limitations of the device in use.
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10. Why Do We Need Colour Management?
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11. Why Do We Need Colour Management?
• Prints don’t match what is on screen
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12. Why Do We Need Colour Management?
• Prints don’t match what is on screen
• Prints have a colour cast
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13. Why Do We Need Colour Management?
• Prints don’t match what is on screen
• Prints have a colour cast
• Colours differ between applications
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14. Why Do We Need Colour Management?
• Prints don’t match what is on screen
• Prints have a colour cast
• Colours differ between applications
• Colours differ between printers
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15. Why Do We Need Colour Management?
In a nutshell:
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16. Why Do We Need Colour Management?
In a nutshell:
Inconsistency
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17. Why Do We Need Colour Management?
In a nutshell:
Inconsistency
&
Unpredictability
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18. Why Do We Need Colour Management?
Colour Management will ensure:
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19. Why Do We Need Colour Management?
Colour Management will ensure:
• Consistent, accurate colour.
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20. Why Do We Need Colour Management?
Colour Management will ensure:
• Consistent, accurate colour.
• More enjoyment, less frustration.
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21. Why Do We Need Colour Management?
Colour Management will ensure:
• Consistent, accurate colour.
• More enjoyment, less frustration.
• Use of less ink (save money).
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22. Why Do We Need Colour Management?
Colour Management will ensure:
• Consistent, accurate colour.
• More enjoyment, less frustration.
• Use of less ink (save money).
• Use of less paper (save more money).
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23. Device Dependent Colour
• RGB & CMYK numbers are dependent upon their method of reproduction.
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24. Device Dependent Colour
• RGB & CMYK numbers are dependent upon their method of reproduction.
• Each RGB monitor will display the same RGB values differently.
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25. Device Dependent Colour
• RGB & CMYK numbers are dependent upon their method of reproduction.
• Each RGB monitor will display the same RGB values differently.
• Each inkjet printer will produce different colours from the same RGB values.
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26. Device Independent Colour
What is needed is a method of reproducing colour that is not dependent upon the device in use.
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27. Device Independent Colour
What is needed is a method of reproducing colour that is not dependent upon the device in use.
A controlled environment that allows colour reproduction accurately on any monitor and printer.
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28. What is a Profile?
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29. What is a Profile?
• A description of the colour a device is capable of seeing, displaying or printing.
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30. What is a Profile?
• A description of the colour a device is capable of seeing, displaying or printing.
• Simply put, a profile is a label or tag that describes the colour of a particular image or device.
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31. Colour Management System
The Colour Management System ensures that the colour description in an input colour space is transferred faithfully to an output device.
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32. Tagged or Untagged An image (or device) can be in one of two states.
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33. Tagged or Untagged An image (or device) can be in one of two states.
• Profiled – ‘Tagged’
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34. • Unprofiled – ‘Untagged’
Tagged or Untagged
An image (or device) can be in one of two states.
• Profiled – ‘Tagged’ Or
• Unprofiled – ‘Untagged’
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35. Profile Types
A profile can be one of two types:
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36. Generic or Bespoke Tagged or Untagged
A profile can be one of two types:
Generic or Bespoke
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37. How Does it Work?
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38. How Does it Work?
Image File
(Tagged)
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39. How Does it Work?
Image File
(Tagged)
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40. How Does it Work? Image File (Tagged) Profiled for the Paper in use
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41. Connecting the Elements
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42. Connecting the Elements
Colour Management workflow requires 4 elements
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43. Connecting the Elements
Colour Management workflow requires 4 elements
• Input profile (embedded in your image)
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44. Connecting the Elements
Colour Management workflow requires 4 elements
• Input profile (embedded in your image)
• Colour Management Module (Photoshop)
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45. Connecting the Elements
Colour Management workflow requires 4 elements
• Input profile (embedded in your image)
• Colour Management Module (Photoshop)
• Output profile (paper/ink/printer profile)
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46. Connecting the Elements
Colour Management workflow requires 4 elements
• Input profile (embedded in your image)
• Colour Management Module (Photoshop)
• Output profile (paper/ink/printer profile)
• Rendering Intent (To handle out of gamut colours)
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