Bug, feature request, or proposal:
md-form-field underline black after beta.10
What is the expected behavior?
underline color = gray
What is the current behavior?
underline color = black
What are the steps to reproduce?
Providing a Plunker (or similar) is the best way to get the team to see your issue.
Plunker template: https://goo.gl/DlHd6U
What is the use-case or motivation for changing an existing behavior?
Which versions of Angular, Material, OS, TypeScript, browsers are affected?
Is there anything else we should know?