$base: (
  "00": #2d2d2d,
  "01": #393939,
  "02": #515151,
  "03": #747369,
  "04": #a09f93,
  "05": #d3d0c8,
  "06": #e8e6df,
  "07": #f2f0ec,
  "08": #f2777a,
  "09": #f99157,
  "0a": #fc6,
  "0b": #9c9,
  "0c": #6cc,
  "0d": #69c,
  "0e": #c9c,
  "0f": #d27b53,
);

@function base($num) {
  @return map-get($base, $num);
}