$c-red
$c-blue
$c-orange
$c-orange-transparent
$c-white
$c-gray--lightest
$c-gray--lightest--transparent
$c-gray--lighter
$c-gray--lighter--transparent
$c-gray--light
$c-gray
$c-gray--dark
$c-gray--darker
$c-gray--darker--transparent
$c-gray--darkest
$c-gray--darkest--transparent
$c-black
To add to these items, use Sass variables that start with $c-
in source/_patterns/00-base/01-colors/_color-vars.scss