Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.0.rc.1)
// Compass (v1.0.0.alpha.20)
// ----

@function palette($palette, $tone: 'base') {
    @return map-get( map-get($palettes, $palette), $tone );
}

$palettes: (

  neutral: (
    base  : #ccc,
    xlight: #efefef,
  )
);

$default-color: palette( neutral, xlight );

.foo {
  color: $default-color;
}

SassMeister-output.css

.foo {
  color: #efefef;
}