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ACES and not ruining colors of logos etc

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  • ACES and not ruining colors of logos etc

    I tried ACES about 10 years ago and wasn't super happy as no applications had native support. Now I'm back trying to use it again, and some steps have been made to make it simpler ofcourse.
    However, one dealbreaker 10 years ago I still can't fully get over is how to keep consistent colors for color-sensitive stuff like logos.

    I had a revelation when I read that you can convert a texture from SRGB in nuke using the output-srgb as input for the texture, this finally makes it possible to use proper colors in nuke atleast.
    When I try the same approach in V-ray I get similar results, correct when it comes to color, however I have issues with antialiasing in the texture instead. I assume this is because the colors pre-LUT are super overexposed (brightness of 5-7 in the bright areas) and thus the antialiasing freaks out.
    Is there any way to fix this? Or am I doing something completely wrong?

    Attaching a image to show how the linear SRGB (left) looks compared to the ACES (right), notice how all bright parts take over and some lines are almost completely gone.

    Click image for larger version

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  • #2
    We would need the scene and texture to make heads or tails of this.
    As a fair warning: ACEScg makes no promises when content is displayed on sRGB devices.
    Surely it never promised (as it can't do it) to match sRGB content under ACEScg gamut and transforms.
    Lele
    Trouble Stirrer in RnD @ Chaos
    ----------------------
    emanuele.lecchi@chaos.com

    Disclaimer:
    The views and opinions expressed here are my own and do not represent those of Chaos Group, unless otherwise stated.

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    • #3
      is it non-photorealistic illustration? can you share (at least part) of the texture?
      Marcin Piotrowski
      youtube

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      • #4
        Yes, it would be great to take a look at the original texture and the converted one. Also some details on how you did the cojversion would be helpful.

        Best regards,
        Vlado
        I only act like I know everything, Rogers.

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        • #5

          comparison of some popular display transforms. most of them more or less mimic the look of film so you can not expect saturation levels you can see for example on websites.

          edit: texture visible in the viewer has adjusted levels to 0.02 - 0.9 in the material to be a correct diffuse map.

          edit2: the red mesh is acescg most saturated physically plausible red from Pointer’s gamut.

          Click image for larger version  Name:	Screenshot 2024-11-21 152040.jpg Views:	0 Size:	322.1 KB ID:	1220934 Click image for larger version  Name:	Screenshot 2024-11-21 152137.jpg Views:	0 Size:	320.0 KB ID:	1220935 Click image for larger version  Name:	Screenshot 2024-11-21 151900.jpg Views:	0 Size:	336.9 KB ID:	1220936 Click image for larger version  Name:	Screenshot 2024-11-21 152815.jpg Views:	0 Size:	383.2 KB ID:	1220937
          Last edited by piotrus3333; 21-11-2024, 11:38 AM.
          Marcin Piotrowski
          youtube

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          • #6
            and some more

            Click image for larger version  Name:	Screenshot 2024-11-21 152322.jpg Views:	0 Size:	338.4 KB ID:	1220939 Click image for larger version  Name:	Screenshot 2024-11-21 152928.jpg Views:	0 Size:	388.4 KB ID:	1220940
            Click image for larger version

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            Last edited by piotrus3333; 21-11-2024, 03:43 PM.
            Marcin Piotrowski
            youtube

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            • #7
              and probably the most flexible option - ARRI Reveal look library: 5210 Vibrant look

              Click image for larger version  Name:	Screenshot 2024-11-22 131015.jpg Views:	0 Size:	234.9 KB ID:	1220985
              Marcin Piotrowski
              youtube

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