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Trouble with Opacity Effects (Applying to all objects)

Explorer ,
Feb 02, 2020 Feb 02, 2020

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Hi! I'm relatively new to InDesign - and I've been having trouble recently. I've been trying to test an effect (opacity) excluslvely on the blue square - but every time I apply the opacity effect, it affects the rest of my image (makes the background look darker, and ruins the text somewhat).

 

Any information would be highly appreciated!

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Community Expert , Feb 10, 2020 Feb 10, 2020

The text appearance would also depend on its magnification in the reading app, and how the app handles anti-aliasing as you zoom in and out. Acrobat has a Page Display preference that handles text anti-aliasing, which is different than InDesign’s Display Performance preference

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Explorer ,
Feb 02, 2020 Feb 02, 2020

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 1.png2.png

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Community Expert ,
Feb 03, 2020 Feb 03, 2020

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This is due to transparency being added to the page and is only an onscreen issue.

 

If you change your Edit>Transparency Blend Space to RGB the issue should disappear.

However, if this is used in print it will convert black text to 4 colour black and cause issues at print.

 

InDesign previews and screen viewing isn't really all that accurate, in terms of colour and image quality - best to output your file to the desired format to get a better idea of how it looks.

If it's for print, then only your printers can give you accurate colour proof. 

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Explorer ,
Feb 03, 2020 Feb 03, 2020

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Hey Eugene,

 

The Transparency Blend Space helped a little bit - the text looks better, but it's still changing the background color (lightening the dark object). Is there any other way to try to isolate the effects just per object? 

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New Here ,
Apr 03, 2024 Apr 03, 2024

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This worked for me, thank you so much!

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LEGEND ,
Feb 03, 2020 Feb 03, 2020

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Hi there,

 

Thanks for reaching out. In addition to the response given by Eugene, I'd recommend checking out help article https://helpx.adobe.com/indesign/using/adding-transparency-effects.html for more information about transparency effects.

Hope it helps.

 

Regards,

Ashutosh 

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Explorer ,
Feb 03, 2020 Feb 03, 2020

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Hi Ashutosh,

 

I've read through that article previously - but no matter which effect I apply, it still changes the background slightly. I'm currently using a workaround - adjusting the opacity by one object only seems to affect the background to a small degree. As a result, I can adjust the opacities of other objects without further affecting the background (but it would be good to know what's the cause of this slight global change). 

 

Thanks,

Chris

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Community Expert ,
Feb 03, 2020 Feb 03, 2020

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This doesn’t look like the typical Transparency Blend Space problem where if the blend space is CMYK, colors that are not in the CMYK gamut shift. All the color before you add the 50% transparency seems to be in gamut to CMYK, and it looks to me like you might already have the blend space set to RGB?

 

What is the color mode and color type of the blue fill and the black background, and what profiles are assigned to the document (Edit>Assign Profiles)

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Explorer ,
Feb 03, 2020 Feb 03, 2020

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Hey Rob,

 

I changed it to RGB from CMYK, but it's still changing the background object (even on separate layers). 

The Profile assigned to the document is (Assign Current working space: sRGB IEC61966-2.1.

How do you check for the color mode / color type of the fill / background?

 

Thanks,

Chris

 

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Community Expert ,
Feb 04, 2020 Feb 04, 2020

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How do you check for the color mode / color type of the fill / background?

 

Select the page item and open the Color Panel, which will display the color mode of the fill and stroke. If the color is a swatch, double click the swatch to see if it is Process or Spot. Here the black fill is CMYK, and the Blue fill is RGB, with the blend space set to RGB

 

Screen Shot 7.pngScreen Shot 8.png

InDesign lets you mix color modes on the same page and does not have a single document color space. Each document has both an RGB and CMYK profile assignment. Is your document’s intended use for print or screen?

 

Screen Shot 9.png

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Explorer ,
Feb 06, 2020 Feb 06, 2020

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Seems like the color mode for both objects are CMYK for the blue rectangle, and CMYK for the black background. This is intended for both web & print, but web primarily.

 Untitled.png

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Community Expert ,
Feb 07, 2020 Feb 07, 2020

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This is intended for both web & print, but web primarily

 

Then you probably want to use a CMYK blend space. Usually with a large area of black printing to offset you would use a CMYK rich black mix something like 65|50|50|100. For the print version export to PDF/X-4, and for the screen version export with Document RGB set as the Output Destination and the Standard as None.

 

For a screen version convert to RGBFor a screen version convert to RGB

 

What OS are you using? I think the white text problem is just a preview artifact because of the transparency and isn’t actually in the file. Does the text look ok if you zoom in to something over 400%?

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Explorer ,
Feb 09, 2020 Feb 09, 2020

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Untitled.pngHi, Rob -

 

I used your export guidelines - and it looks fine on Adobe Acrobat Pro (left). But when I open in Chrome, the blacks look darker (right), and text is dulled. Is this normal? 

 

Also, I'm using Windows 10. The text seems to look fine now (made one opacity effect in the beginning, then worked around it). Can I assume if it looks fine on Adobe PDF, it's generally good to go for web? (Aside from the printing considerations).  

 

Thanks,

Chris

 

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Community Expert ,
Feb 10, 2020 Feb 10, 2020

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A web browser is not the way to check anything in a PDF. 

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Community Expert ,
Feb 10, 2020 Feb 10, 2020

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3rd Party PDF readers like Chrome, Foxit, Mac Preview etc. don't conform to all modules available in a PDF. Adobe Acrobat is the only true reader for a PDF.

 

Adobe authored the PDF standard, and anything other than Adobe Acrobat is not going to be the same quality.

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Community Expert ,
Feb 10, 2020 Feb 10, 2020

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The text appearance would also depend on its magnification in the reading app, and how the app handles anti-aliasing as you zoom in and out. Acrobat has a Page Display preference that handles text anti-aliasing, which is different than InDesign’s Display Performance preference

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