Theming in angular material uses classes to apply an intention group to a given component. Most components in Angular Material support intention classes as expected, including:

Specifying intention group

The classes to apply the color intention for a given component are as follows: md-primary, md-accent, md-warn.

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Differentiating within an intention group.

If you need to slightly differentiate an element, you can specify an additional class of md-hue-1, md-hue-2, or md-hue-3. Use these classes sparingly in your application to avoid overwhelming users.

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