Advanced Profile Settings

Advanced Profile Settings in i1Profiler (i1Publish)

Chromatic adaptation
When creating profiles from measurement values in non-D50 lighting conditions, i1Profiler uses chromatic adaptation to construct your ICC profile.
X-Rite recommends that you use the default "Bradford" method when creating your ICC profile.
Legacy ProfileMaker5 users may wish to select CIECAT02, which was used by ProfileMaker5 when creating non-D50 output profiles. This will give you consistency in measurement values with previous profiles.


ICC profile version
You can choose to calculate your profile according to ICC specification 4 or 2. Generally , ICC version 4 profiles will give you improved accuracy. Visit for a complete summary of the differences between ICC versions. Most color management systems use ICC version 4 profiles without issue.

However, in some cases a workflow or RIP may experience compatibility issues. In these cases, select the ICC version 2 option.  This is commonly known on Mac running 10.6 and 10.7 with a number of third party software applications.


Tone response curve
The tone response curve of your device determines how colors are displayed outside of color-managed applications. This includes your desktop and any documents that are viewed using non-ICC-compliant applications.

Historically, Apple computers have defaulted to Gamma 1.8. PC computers typically default to 2.2. However, both platforms now standardize on a gamma of 2.2.

The correct procedure is to use a setting that fits your type of work. If you have been working on a display that has been previously calibrated to 1.8, you should consider continuing with that same setting. The same is true for 2.2.  If you have no preference, X-Rite recommends a gamma of 2.2 for working with still images in graphics applications. This gamma value is closer to the native gamma of modern LCD panels, meaning that i1Profiler will need to make a lesser correction to achieve a 2.2 gamma.


Profile type
i1Profiler offers 2 ways of building your ICC display profile: matrix and table-based.

Matrix-based profiles require fewer measurement patches, assuming a regular display color behavior, and using a simple matrix to render your image colors to the display.

Table-based profiles require more measurements, but may offer more precise color rendering.
For general-purpose work, X-Rite recommends creating a matrix-based ICC display profile. For greater color precision, you may wish to select the table-based option.


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