gistfile1.scss

$categories:
  watersports-repair #ad1d17,
  anti-fog #f25012,
  clean-deodorize #881f7f,
  wetsuit-drysuit-maintenance #738821,
  dive-essentials #0072b7;

@each $category in $categories{
  $class: nth($category, 1);
  $color: nth($category, 2);

  .#{$class} h1 {
    background: #{$color};
    color: #fff;
  }
}