Text

Black - $text_black
Used for: Base style for all text

Dark gray - $text_dark_gray
Used for: Tabs and "See more" links

Light gray - $text_light_gray
Used for: Meta text

Footer White - $text_footer_white
Used for: Base footer text

Footer Gray - $text_footer_dark_gray
Used for: Deemphasized footer text

Blue - $text_blue
Used for: Links

Light blue - $text_light_blue
Used for: Hovered links

Green - $text_green
Used for: Icons

Lavendar - $text_lavendar
Used for: Deemphasized header text

Borders

Dotted border gray - $border_dotted_gray
Used for: Dotted borders

Solid border gray - $border_solid_gray
Used for: Solid borders

Footer border - $border_footer
Used for: Footer borders

Backgrounds

Black background - $background_black
Used for: Footer background

Light gray background - $background_light_gray
Used for: Banner and zebra striped table background

Light gray field background - $background_field_gray
Used for: Form field background

Misc.

Purple - $purple
Used for: Header and button background and generic message icons

Dark Purple - $purple_dark
Used for: Pressed button background

Light Purple - $purple_light
Used for: Hovered button background

Red - $red
Used for: Alert message icons