Steps to reproduce

1. Open Wikipedia Android app
2. Navigate to an article that contains a table with colored cells (e.g. iOS version history#Overview)
3. Expand tables
4. Set theme to sepia, dark or black.

Expected results

Cells should have the background color set in the wikitext.

Actual results

All cells have the same background color, no matter the set background color in the wikitext. See attached screenshot.

Environments observed

App version: 2.7.50282-r-2019-05-24
Android OS versions: 9.0.1