compass-style.org/content/examples/compass/utilities/contrast/stylesheet.scss
$contrasted-dark-default: #333333;
$contrasted-light-default: #e7e7e7;
@import "compass/utilities/color/contrast";
.example {
p.dark {
@include contrasted(#5f1210);
}
p.light {
@include contrasted(#fa9e9c);
}
}