Tab colors do not get saved and they get erased or cleared after upon exiting the program.
Steps to reproduce:
1. Change tab color
2. Save the spreadsheet
3. Exit the program
4. Re-open the spreadsheet and you'll find that the tab color has been cleared
Does not save the tab color.
Should be able to save the tab color and recall even after re-opening.
Operating System: Windows 7
Version: 126.96.36.199 release
I can't reproduce this when saving it as ODS, can reproduce this using xls(x). -> see duplicate bug report
*** This bug has been marked as a duplicate of bug 58307 ***