#writing #thoughtbot

_c.scss

@function c(
  $name,
  $theme:null,
  $component:null,
) {
  // Retrieve a palette color value
  @if ($theme == null) and ($component == null) {
    @return map-get($colors, $name);
  }
  // Retrieve a component color value
  @else if ($theme != null) and ($component == null) {
    @return map-get(map-get($colors, $name), $theme);
  }
  // Retrieve a themed component color value
  @else {
    @return map-get(map-get(map-get($colors, $name), $theme), $component);
  }
}