Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.1)
// Compass (v1.0.1)
// ----

@mixin theme($color, $bg) {
  color: $color;
  background: $bg;
}

$colors: #111 #222 #333 #444 #555;
$backgrounds: #555 #444 #333 #222 #111;

@for $i from 1 through 5 {
  #theme-#{$i} {
    @include theme(nth($colors, $i), nth($backgrounds, $i));
  }
}

SassMeister-output.css

#theme-1 {
  color: #111;
  background: #555;
}

#theme-2 {
  color: #222;
  background: #444;
}

#theme-3 {
  color: #333;
  background: #333;
}

#theme-4 {
  color: #444;
  background: #222;
}

#theme-5 {
  color: #555;
  background: #111;
}