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Colour space shift on PNG export from iOS Photoshop

Explorer ,
Jan 14, 2025 Jan 14, 2025

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I'm getting colour space shifting when I export a PNG with or without transparency from Photo iOS. Attached are a couple of photos...one exported as a jpeg - it has normal/expected colours. The other was exported as a PNG...massive colour shift. Any ideas what is causing this?DSC07110.jpgexpand imageDSC07110-Edit.jpgexpand image

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Explorer ,
Jan 14, 2025 Jan 14, 2025

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That should read 'Photoshop iOS'.

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Community Expert ,
Jan 14, 2025 Jan 14, 2025

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This looks like an image in the ProPhoto color space that has been exported without checking Convert to sRGB and Embed profile, and then opened in a web browser.

Web browsers will assign the sRGB profile to untagged images (that don't have an embedded profile), and since the image was created in ProPhoto, sRGB is the wrong profile, and the colors wiil be muted.

When I open the image in Photoshop and assign the ProPhoto profile, it displays correctly.

Always check Convert to sRGB and Embed profile when exporting.

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Explorer ,
Jan 14, 2025 Jan 14, 2025

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Thanks for your input. I understand all this. The problem is the iOS version of Photoshop does not seem to have an option for colour space or prfile embed export for PNG. Please let me know where to find those options in Photoshop for iPad. The original files that have bad colour also report as sRGB colour space in desktop Photoshop. Also the source files are sRGB. My workflow in this situation involved exporting from iPad Lightroom with 'edit in photoshop', then adding an alpha layer in iPad Photoshop and then exporting as PNG to preserve transparency. 

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Community Expert ,
Jan 14, 2025 Jan 14, 2025

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I don't use an iPad, so I can't help you with the export options, I use Lightroom Classic and Photoshop on Windows.

In Lightroom Classic there's an option in Preferences > External editing for what color space to use when editing in Photoshop, and the default is ProPhoto. (I have it set to Adobe RGB)

Is there a similar option on the iPad? If there are no options for converting to sRGB and embedding the profile when exporting. I would set this option to sRGB.

 

The image with the muted colors is almost certainly created in ProPhoto – when I assigned ProPhoto in Photoshop, it displayed exactly the same as the other image you posted.

Also BTW, both images that you posted are jpgs, not PNGs.

 

To establish what color space an image has in Photoshop, click the little arrow bottom left on the taskbar status bar, and choose Document Profile.

 

PS-document-profile.pngexpand image

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Explorer ,
Jan 14, 2025 Jan 14, 2025

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Thanks. I was looking for input from iOS Photoshop users on this one. I posted jpegs to illustrate the problem. I am about 30 years in on desktop Photoshop, but today I wanted to see how workflow would be strictly using the iPad. I appreciate your input.

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Community Expert ,
Jan 15, 2025 Jan 15, 2025

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@jeffb56004601 I don't use an iPad either, but I searched and -

AI on the Brave browser told me this

"Photoshop on iPad does not support ICC profiles directly. To manage color profiles with Photoshop on iPad, you would typically need to ensure that your ICC profiles are installed on your computer and then sync your work between the desktop and iPad versions of Photoshop. This allows for consistent color management across devices. For detailed instructions on installing ICC profiles on your computer, you can refer to guides available online or Adobe’s official documentation."

 

IF that's right, it looks like what you want may not be possible.

Where did those 'prophoto' colourspace images originate? That’s the place to fix the issue I guess

 

I hope this helps neil barstow, colourmanagement net - adobe forum volunteer - co-author: 'getting colour right' google me "neil barstow colourmanagement" for lots of free articles on colour management Help others by clicking "Correct Answer" if the question is answered. Found the answer elsewhere? Share it here. "Upvote" is for useful posts.

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