[Libreoffice-bugs] [Bug 116241] New: Customizing value highlighting colors for colorblind users

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=116241

            Bug ID: 116241
           Summary: Customizing value highlighting colors for colorblind
                    users
           Product: LibreOffice
           Version: Inherited From OOo
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Keywords: accessibility
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: baron at caesar.elte.hu
            Blocks: 101912, 112451

In Calc when View -> Value Highlighting is enabled, values are displayed as
follows:
"Text cells are formatted in black, formulas in green, number cells in blue,
and protected cells are shown with light grey background, no matter how their
display is formatted."
https://help.libreoffice.org/Calc/Value_Highlighting

I received feedback that eg. green can be particularly hard/impossible to see
for colorblind users (of course it depends on the kind and degree of
colorblindness), so a way to configure the highlight colors could be useful.

As far as I can see the fixed colors are set here:
https://opengrok.libreoffice.org/xref/core/sc/source/ui/view/output.cxx#292
void ScOutputData::SetSyntaxMode( bool bNewMode ) { ... }


I'm not sure where the best place to set the colors would be: Application
Colors vs. Expert Configuration.
One could also argue towards setting up color profiles for different kinds of
color blindnesses, and provide sensible defaults, but that looks like a larger
chunk of work.


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=101912
[Bug 101912] [META] Accessibility (a11y) bugs and enhancements
https://bugs.documentfoundation.org/show_bug.cgi?id=112451
[Bug 112451] [META] Value highlighting bugs and enhancements
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