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Thread: Wrong colors when showing / converting tiff files

  1. #1
    IV Newbie
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    Default Wrong colors when showing / converting tiff files

    Hi

    I wanted to convert some 50-80 mb tiff files to jpg. But irfanview displays extrem red (pink) and green (neon) colors when I open the pictures. The "wrong " colors stay when saved to jpg (or any other format). Does anyone know why irfanview does that and how to not have it happen?

    e.g. Microsoft Office Picture Viewer displays the colors correct and downsizes with the correct colors, but you can't set individual sizes of the pictures.

    Left is the pic with irfanview, right the correct colors.

  2. #2
    Moderator Enterprise User Bhikkhu Pesala's Avatar
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    Default

    Have a look at Options, Properties, Viewing, and see if Colour Management has anything to do with it. Are the originals CYMK or RGB?

  3. #3
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    Color management is not ticked. So I guess it's switched off. Originals are CYMK.
    Compression: None, CMYK

    ImageWidth - 4368
    ImageLength - 2912
    BitsPerSample - 8 8 8
    Compression - 1 (None)
    PhotometricInterpretation - 5
    Make - Canon
    Model - Canon EOS 5D
    StripOffset - 593678
    Orientation - Top left
    SamplesPerPixel - 4
    RowsPerStrip - 2912
    StripByteCount - 50878464
    XResolution - 300.00
    YResolution - 300.00
    PlanarConfiguration - 1
    ResolutionUnit - Inch
    Software - Adobe Photoshop CS3 Macintosh
    DateTime - 2010:06:13 23:15:06
    IPTC/NAA - 22770
    ExifOffset - 51472144
    InterColorProfile - 36558
    ExposureTime - 4 seconds
    FNumber - 16
    ExposureProgram - Shutter priority
    ISOSpeedRatings - 100
    ExifVersion - 0221
    DateTimeOriginal - 2010:03:26 17:37:35
    DateTimeDigitized - 2010:03:26 17:37:35
    ShutterSpeedValue - 4 seconds
    ApertureValue - F 16.00
    ExposureBiasValue - 0.67
    MaxApertureValue - F 4.00
    MeteringMode - Multi-segment
    Flash - Flash not fired, compulsory flash mode
    FocalLength - 22 mm
    ColorSpace - Uncalibrated (-1)
    ExifImageWidth - 4368
    ExifImageHeight - 2912
    FocalPlaneXResolution - 3086.93
    FocalPlaneYResolution - 3091.30
    FocalPlaneResolutionUnit - Inch
    CustomRendered - Normal process
    ExposureMode - Auto
    White Balance - Auto
    SceneCaptureType - Standard

  4. #4
    Moderator Enterprise User Bhikkhu Pesala's Avatar
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    Default

    So what happens if you enable colour management?

    A search for CYMK found this thread about conversion the other way.

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