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łukaszz35275447
łukaszz35275447
Known Participant
January 30, 2017
Answered

Generate B&W assets in RGB

  • January 30, 2017
  • 3 replies
  • 2642 views

Hi. I'm trying to automate process of exporting assets for animation purposes. I'm using Generate Assets option with layer naming (45% name.png). Unfortunatelly after 2 days I noticed that B&W assets are too bright. Turned out Photoshop decided to export all the b&w assets in grayscale ruining their proper brightness. How do I avoid that? I want color to be proper, would be great to export them as RGB.

This topic has been closed for replies.
Correct answer nidtol

I have found the solution to this.

1. Install the Generator Config panel available for download here:

https://github.com/adobe-photoshop/generator-assets/wiki/Configuration-Options

2. Make sure you have downloaded the Creative Cloud desktop app, and "File Sync" is switched ON

3. After installing the Config panel, open Photoshop and show the Generator config panel

4. Now, make sure to check ON "Color convert pixels" as well as "Use FLITE trascoder". Then, press "Save" in that same panel.

5. Save your psd file and this will generate the gray RGB pngs in actual RGB mode and not transform them into grayscale!

6. Enjoy your happiness!

3 replies

D Fosse
Community Expert
D FosseCommunity Expert
Community Expert
March 2, 2017

Interesting and useful. Thanks for posting.

N
nidtolCorrect answer
Participant
March 2, 2017

I have found the solution to this.

1. Install the Generator Config panel available for download here:

https://github.com/adobe-photoshop/generator-assets/wiki/Configuration-Options

2. Make sure you have downloaded the Creative Cloud desktop app, and "File Sync" is switched ON

3. After installing the Config panel, open Photoshop and show the Generator config panel

4. Now, make sure to check ON "Color convert pixels" as well as "Use FLITE trascoder". Then, press "Save" in that same panel.

5. Save your psd file and this will generate the gray RGB pngs in actual RGB mode and not transform them into grayscale!

6. Enjoy your happiness!

    J
    josephr19774008
    Inspiring
    June 15, 2017

    Thank you so much for this! It was driving me crazy on how to change my default settings. I hate that it takes a gray image and converts it to grayscale, so weird. I did get it to work by naming my layer .png32 but I think that's dumb too. Default is supposed to be 32bit. Well anyways thank you so much for sharing this!

    D Fosse
    Community Expert
    D FosseCommunity Expert
    Community Expert
    January 30, 2017

    If the originals are grayscale, just check "convert to sRGB" in the Export dialog.

    Check "embed profile" as well if the rest of your process is color managed.

    Generally, grayscale support is very poor outside Photoshop, even in supposedly color managed applications, and you never know if they will be properly handled. The safest bet is to convert to gray gamma 2.2, or sGray (which uses the same tone response curve as sRGB).

    łukaszz35275447
    łukaszz35275447Author
    Known Participant
    January 30, 2017

    What export dialog do you mean? I'm using the "Generate Assets" option added in CC, that exports assets based on alyers/group names every time I save the document. In "Export Preferences" "Convert to sRGB" is checked, but it looks like it doesn't apply to generated assets.

      łukaszz35275447
      łukaszz35275447Author
      Known Participant
      January 30, 2017

      Ah, I see. Now that's weird and I have no explanation for this behavior - other than a "smart" attempt to reduce file size by throwing out two of three channels. Yes, I hate it too when software tries to do my thinking for me.

      But I also think I see the reason for the difference in gray tones. The exported asset has no icc profile embedded, which means it will display according to your working gray. If you haven't changed any defaults, this will be a dot gain profile.

      I'm fairly confident that if you change your working gray to gamma 2.2, they should be a lot closer.

      But again - in the absence of icc profiles you will never have any guarantee that numbers and / or displayed color will match. Hex numbers no more than RGB numbers. They're just different notations for the same thing. This is exactly what icc profiles are for.


      That actually helped a bit, colors are almost identical now in PS, so I'm marking your reply as helpful. Still I need to apply workaround (action - open and save as RGB) to every b&w asset.
      I don't think the problem is 100% solved, so I'm leaving the topic open, but I don't expect anyone to give me a solution. It would be perfect if someone from "up there" noticed this and add to some notes. If moderation thinks this should be closed, then close it. For me the workaround is satisfying. Thanks.

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