Cells color is imported from system color scheme, and it may be not white. Reproducible: Always Steps to Reproduce: Just run Sheets with dark color theme. Actual Results: Black cells. Expected Results: White cells. Just compare Words and Sheets: http://storage2.static.itmages.ru/i/12/0501/h_1335867970_3502368_bd8f2957eb.png http://storage1.static.itmages.ru/i/12/0501/h_1335867572_8673713_d776742306.png Words is OK.
Confirmed in Version 2.9.7 with breeze dark theme.
Thank you for the bug report. As this report hasn't seen any changes in 5 years or more, we ask if you can please confirm that the issue still persists. If this bug is no longer persisting or relevant please change the status to resolved.
Possible duplicate of https://bugs.kde.org/show_bug.cgi?id=234173 ? If so this is solved at least as of 3.2.1.