Fix light mode #17935

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1. marcmorente

   added

   bugSomething isn't workingSomething isn't working

   on Mar 17, 2026
2. github-actions

   assigned

   kommander

   on Mar 17, 2026
3. github-actions

   added

   opentuiThis relates to changes in v1.0, now that opencode uses opentuiThis relates to changes in v1.0, now that opencode uses opentui

   on Mar 17, 2026
4. github-actions commented on Mar 17, 2026

   

   github-actionsBot

   on Mar 17, 2026 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • Code output unreadable in light mode #16470: Code output unreadable in light mode (nearly identical symptom)
   • Light theme: some text colors are white, invisible against light background #17349: Light theme: some text colors are white, invisible against light background
   • Gruvbox Light: fenced code blocks render with near-invisible text #17617: Gruvbox Light: fenced code blocks render with near-invisible text
   • Text becomes unreadable when drag(highlighted) in Light Mode #12802: Text becomes unreadable when drag(highlighted) in Light Mode (matches your text selection issue)
   • Text selection has poor contrast/readability on light terminals with certain themes #5295: Text selection has poor contrast/readability on light terminals with certain themes

   If your issue is not covered by any of the above, please clarify how it differs. Otherwise, consider adding a reaction or comment on the existing issue instead.

   👍React with 👍1Reacted by Marc Morente
5. van-sprundel commented on Mar 19, 2026

   

   van-sprundel

   on Mar 19, 2026

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   bump

   For some reason the formatted sections do not render well in light mode. on-select is dark and the text itself is not visible.

   

   on select:

   

   👍React with 👍1Reacted by George M
6. van-sprundel commented on Mar 19, 2026

   

   van-sprundel

   on Mar 19, 2026

   Last edited by van-sprundel

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   Seems that this would be a one-liner fix

   diff --git a/packages/opencode/src/cli/cmd/tui/context/theme.tsx b/packages/opencode/src/cli/cmd/tui/context/theme.tsx
   index 2320c08cc..1354a2a47 100644
   --- a/packages/opencode/src/cli/cmd/tui/context/theme.tsx
   +++ b/packages/opencode/src/cli/cmd/tui/context/theme.tsx
   @@ -934,6 +934,7 @@ function getSyntaxRules(theme: Theme) {
        {
          scope: ["markup.raw", "markup.raw.block"],
          style: {
   +       background: theme.backgroundElement,
            foreground: theme.markdownCode,
          },
        },

   this worked for me locally

   

   👍React with 👍6Reacted by Fernando Carletti, zewelor, Ricardo B. Marlière, Björn Heiß, nb5p and George M
7. thdxr

   removed

   bugSomething isn't workingSomething isn't working

   opentuiThis relates to changes in v1.0, now that opencode uses opentuiThis relates to changes in v1.0, now that opencode uses opentui

   on May 3, 2026
8. nb5p commented on May 30, 2026

   

   nb5p

   on May 30, 2026

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   I'm hitting the same issue with Ghostty using the Tango Light theme.
9. amelvil2-ford commented on Jun 25, 2026

   

   amelvil2-ford

   on Jun 25, 2026

   Last edited by amelvil2-ford

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   It seems like this might be an intermittent problem with how opencode (or opentui?) renders markdown code blocks. The fix suggested by the PR doesn't seem to work -- it seems like the foreground color is sometimes white too.
10. van-sprundel commented on Jun 25, 2026

    

    van-sprundel

    on Jun 25, 2026

    Last edited by van-sprundel

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    Yes, but making the background the correct color would make the white text visible
11. amelvil2-ford commented on Jun 25, 2026

    

    amelvil2-ford

    on Jun 25, 2026

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    From what I saw, it seemed like both the foreground and background colors were white in some cases on MacOS, even with this fix.
12. github-actions commented on Aug 25, 2026

    

    github-actionsBot

    on Aug 25, 2026 – with GitHub Actions

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    To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.
13. github-actions

    closed this as not plannedon Aug 25, 2026