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Profile Viewer

This function allows you to compare an imported ICC profile with a Reference profile by showing their 3D Gamut and some numerical values. Clicking on the button Load an ICC Profile opens a window to select the profile you want to see. Once imported the name of the profile will replace the button but it is still possible to select another profile by clicking on it.

The Reference profile list can be used to compare your profile with one of the profile in our database. It should contains most of the standard profiles used in the industry.

Importing a profile can show the following tabs:

Gamut

The Gamut viewer has multiple functions and can be used in 2 modes.

In Display mode it is possible to:

  • Display the 3D gamut or the 2D gamut (in 2D mode all the other functions are disabled).
  • Show the gamut from the top or from the bottom thanks to the arrows.
  • The Slice slider will remove a part of the gamut, starting from to top at 100 and finishing at the bottom at 0, keeping only the primaries.
  • The 3 gamut buttons allow to show the gamut (whether your profile or the reference) in 3 different ways; from left to right: - full smooth gamut, - triangles depending on the table size or - only the edge of the triangles.
  • The Opacity slider modifies the aspect of the gamut to be able to see through it. This is useful when comparing it with a reference profile to be able to see what is inside and what is outside.

In Spots & Image mode it is possible to Import a color library to display each of its colors in the Gamut viewer. Images can also be imported (or drag'n'drop in the delimited zone) to check if the profile can be used to print it. Once imported, the name of the color library or image will be shown below the Import button and a Clear all button appears to restart from the beginning. It is possible to manually add spots by hand using the Add Spot button and to edit the names and the Lab values. At the right of the search field there are 3 buttons to change what is displayed:

  • the Lab values of all the colors,
  • the ΔE of conversion and if it is inside the gamut,
  • the statistical analysis about the ΔE of conversion.

Any color can be removed by hovering on it and clicking on the cross button. The spots can also be seen in the representation of the gamut on the right. They can be selected by clicking twice on it. Selected spots are bigger and in red.

Colorimetric TVI

TVI stands for Tone Value Increase. The curves show for each percent of ink (Tone Value), what is the increase (or decrease if negative) of ink provided by the profile. The thick lines correspond to a smooth curve while the thin lines are the reality of the percent measured.

Colorimetric TRC

TCR stands for Tone Reproduction Curve. It is the equivalent of the TVI but rather than showing the increase it shows the absolute values printed by the press for each percent.

G7® Gray Balance

The G7® Gray Balance curves correspond to the weighted Delta Chroma of the CMY combination of the Gray Balance patches, the a* and the b*. To check if the profile is close to neutral in the gray, check if the curves are close to 0 for each percent of ink.

Table

The table gives the L*, a* and b* values of your profile, the reference profile and the difference in ∆E (2000), ∆C and ∆h. The primaries, substrate, black point and volume of the gamut can be used as a means of comparison. If there is enough G7® information, the weighted delta L* for CMY and K and the weighted delta Chroma* for K will be shown in a small table bellow the rest.

Info

It displays the information related to the profile containing:

  • the device colorspace, with the ink sequence and the name used for each ink when hovering over the patches
  • the internal name (can be different from the file name)
  • the separation parameters (TAC, K Start and K Max, calculated in Relative Colorimetric rendering intent)
  • the grid resolution (Hydra profiles have the same A2B table size and B2A table size for all rendering intent)
  • the date of creation
  • the profile type and creator
  • and the copyright in order to have the legal information.