https://bugs.documentfoundation.org/show_bug.cgi?id=171520
Bug ID: 171520
Summary: Exporting to PDF, cells with black background colors
may cause the highlighted text in textbox to become
invisible
Product: LibreOffice
Version: 7.5.9.2 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Printing and PDF export
Assignee: [email protected]
Reporter: [email protected]
Description:
Exporting to PDF, cells with black background colors may cause the highlighted
text in textbox to become invisible.
Steps to Reproduce:
1. Open the following sample Calc file. ( with light theme )
Cell [A1] has a black background color.
There is also one text box with a highlight color applied.
2. Export the sheet as a PDF.
No special settings are required.
3. View the PDF file.
Actual Results:
4. Some parts of the text are invisible in the text box.
Or they may have blended in with the background color.
Expected Results:
4. The colors should match those displayed on your PC screen.
Reproducible: Always
User Profile Reset: No
Additional Info:
This issue occurs not just when setting a direct black background color, but
also when applying the "Accent 1" cell style.
The black background color may not be the sole trigger.
When a dark gray background color is set, the text may be visible, but the text
color may not invert.
Reproducible
Version: 7.5.9.2 (X86_64) / LibreOffice Community
Build ID: cdeefe45c17511d326101eed8008ac4092f278a9
CPU threads: 4; OS: Windows 10.0 Build 26100; UI render: default; VCL: win
Locale: ja-JP (ja_JP); UI: ja-JP
Calc: threaded
Reproducible
Version: 26.2.0.3 (X86_64)
Build ID: 620(Build:3)
CPU threads: 4; OS: Windows 11 X86_64 (build 26100); UI render: Skia/Raster;
VCL: win
Locale: ja-JP (ja_JP); UI: ja-JP
Calc: CL threaded
Reproducible
[2026-03-19]
Version: 26.8.0.0.alpha0+ (X86_64)
Build ID: 38ea6c42fd0bfdb0904d182627229cf224c1b822
CPU threads: 4; OS: Windows 11 X86_64 (build 26100); UI render: Skia/Vulkan;
VCL: win
Locale: en-US (ja_JP); UI: en-US
Calc: CL threaded
Reproducible
[2026-03-22]
Version: 26.8.0.0.alpha0+ (X86_64)
Build ID: 1016207812904a6712b1a2914718f4e4fc4a423a
CPU threads: 2; OS: Linux 6.12; UI render: default; VCL: gtk3
Locale: ja-JP (ja_JP.UTF-8); UI: en-US
Calc: threaded
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