scss 对比检查，loop.scss

Posted 2021-05-17

a, a:link, a:visited {
  @while(contrast-checker($link-colour, #ffffff) == "false") {
    $link-colour: darken($link-colour, 1%);
    @if(contrast-checker($link-colour, #ffffff) == "true") {
      color: $link-colour;
    }
  }
}