9.0.0-rc.2: Dark theme issues #17746
Description
Reproduction
- Cannot reproduce on StackBlitz due to error. Sample code: https://components-issue-3aehwp.stackblitz.io
Steps to reproduce:
- Create mat-tab-group/mat-tabs with labels, either via the 'label' attribute or using
<ng-template mat-tab-label> - Apply a dark theme, e.g.,
pink-bluegreyorpurple-green
Expected Behavior
The label (light color) should be displayed on the dark background.
Actual Behavior
The background is light (presumably white), and hence the label is not visible.
Environment
- Angular: 9.0.0-rc.2
- CDK/Material: 9.0.0-rc.2
- Browser(s): Chrome
- Operating System (e.g. Windows, macOS, Ubuntu): Ubuntu 18.04
