tabler/site/styles/_label.scss

@mixin label-color($color) {
  color: $color;
  background: rgba($color, .04);
}

.label {
  display: inline-flex;
  @include label-color($color-muted);
  text-transform: uppercase;
  font-size: $font-size-h6;
  line-height: $line-height-h6;
  font-weight: $font-weight-medium;
  letter-spacing: $tracking-wide;
  padding: $gap-1 $gap-2;
  border-radius: $border-radius;
}

@each $name, $color in $colors {
  .label-#{$name} {
    @include label-color($color);
  }
}