Contextual Colors
Use the contextual classes to provide "meaning through colors":
This text is muted.
This text is important.
This text indicates success.
This text represents some information.
This text represents a warning.
This text represents danger.
Secondary text.
This text is dark grey.
Default body color (often black).
This text is light grey (on white background).
This text is white (on white background).
Contextual Backgrounds
Use the contextual background classes to provide "meaning through colors".
Background Color with Contrasting Text Color
This text is important.
This text indicates success.
This text represents some information.
This text represents a warning.
This text represents danger.
Secondary background color.
Dark grey background color.
Light grey background color.