/// @name palette
/// @group palette
/// @access public
/// @example
///   .basic {
///     color: palette(teal);
///   }
///
///   .with-tone {
///     color: palette(teal, light);
///   }
///
///   .aliased {
///     color: palette(brand-primary);
///   }
/// @param {string} $type - Base color group key in $palettes.
/// @param {string} $tone [base] - Tone key within a base color in $palettes.
/// @link http://erskinedesign.com/blog/friendlier-colour-names-sass-maps/ Thanks to Tom Davies for inspiration.


@function palette($type, $tone: 'base') {

  $color: palette-color-key($type);

  @if (type-of($color) == list) {
    @return palette(nth($color, 1), nth($color, 2));
  }

  @if ($color and map-has-key($palettes, $color)) {
    @return map-get(map-get($palettes, $color), $tone);
  }
}