In the SCSS these exist as
$primary-color: #008CBA;
$secondary-color: #e7e7e7;
$alert-color: #f04124;
$success-color: #43AC6A;
$warning-color: #f08a24;
$info-color: #a0d3e8;
…and can therefore be overwritten in _overrides.scss and ‘watched’ with Compass