I have changed the layer opacity of a polygon layer to 50% (works in both project and layout views) but when I regenerate and export an atlas, those polygons are at 100% opacity again. Is there an option I haven't selected for it to keep the opacity settings?

Using 3.10

Layer Symbology settings

Export Atlas to PDF settings

  • Please provide screenshots of your settings and of your export options.
    – Erik
    Feb 17, 2021 at 14:53
  • Erik, added screenshots to original post
    – M.N.
    Feb 17, 2021 at 14:58

1 Answer 1


You can use Layers blending mode setting to multiply instead, it is not the same but the layers beneath will be visible. I prefer blending mode multiply because more details are visible. Opacity is always loosing information. The blending mode "multiply" will be exported as it is with your layout or atlas...

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