How to Find and Install a Color Profile for a More Accurate Monitor on Windows and macOS Chris Hoffman @chrisbhoffman August 2, 2017, 11:23am EDT Color profiles, also known as ICC or ICM files, contain a collection of settings that help calibrate how colors appear on your monitor. Fully-functional ICMIZER 3 Basic. No credit card required. Create ICMIZER account. Change background color. Master your poker strategy based on ICM theory and the ChipEV model with a user-friendly preflop Nash calculator.
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On this page there is a set of ICC profiles, also knows as ICM profiles. These have been created from the data on Bruce Lindbloom's site, as well as information from Adobe, using the little cms toolkit.
Profiles tell you system how to display colors - they contain three key pieces of information:
You can use these profiles in a number of ways:
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The profiles are in a single ZIP file, ICCProfiles.zip.
The root of the Zip file has the following profiles:
AppleRGB.icc
CIERGB.icc MelissaRGB.icc ProPhoto.icc WideGamut.icc
The MelissaRGB profile deserves some explanation. Melissa RGB is not an 'official' color space, but is the combination of the ProPhoto color space, with an sRGB gamma curve. It's important because Melissa RGB is what Lightroom uses for its readouts. Specifically, the RGB values you get as Lightroom readouts are in this space. Note that the Melissa RGB profile I'm providing here has the real sRGB gamma curve. The sRGB gamma is close to a 2.2 gamma, but is linear at low values. So, if you take a readout of the darkest patch of the GretagMacBeth chart, there is is about a 1.5% difference between the reading using ProPhoto at a 2.2 gamma and a true Melissa RGB profile.
I also provide some alternate profiles in the 'Alternate' directory of the ZIP. This includes a 'ProPhoto gamma 2.2' file, for those that want to compare to the Melissa RGB version. These are all either at different to normal gammas, or different to normal white points:
MelissaRGBD65.icc
ProPhoto22.icc ProPhoto22D65.icc ProPhotoD65.icc sRGB Gamma22.icc WideGamutD65.icc
The file names should make the differences clear.
In order to install these profiles, you need to do the following:
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