Correcting Color Oversaturation in games with .icm profile and 3D LUT

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  • #16435

    Anonymous
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    Is this possible to do without any calibration instruments? All I want to do is fix the over-saturated colors on my HP zr30w in video games with the use of reshade and a 3d LUT file.

    I have installed displaycal, and loaded my .icm file, but even when I check “enable 3d lut tab” and check or uncheck “apply calibration” the “Create 3d LUT” button remains grayed out.  I have tried to load my .icm file (which was downloaded from HP’s website) but I get an error saying “The file does not contain settings”.

    #16439

    Florian Höch
    Administrator
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    Use the standalone 3D LUT maker and set the HP profile as destination. As source choose Rec. 709, tone curve gamma 2.2, rendering intent relative colorimetric, format ReShade.

    #16444

    Anonymous
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    Thank you! I had not noticed the standalone 3d LUT maker in the Displaycal program folder. With that I was able to generate several files including colorlookuptable.png

    I installed reshade in my game directory, and the lut.fx shader, then

    1. deleted lut.png in reshadeshaders/textures
    2. copied colorlookuptable.png to reshade-shaders/textures and renamed it lut.png

    Then when I started the game reshade started and I pressed home to bring up the list of shaders there was a checkbox for lut.fx
    By checking or unchecking this box I could turn off the shader and see the difference in colors.  My colors are correct now!

    One note: I had to change my 3d lut size to 32×32 for it to work, 64×64 gave incorrect colors.

    #16465

    Florian Höch
    Administrator
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    ReShade’s own 3D LUT shader (lut.fx) is limited to 32x32x32. This limitation does not apply to DisplayCAL’s shader (ColorLookupTable.fx).

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