engelsystem/resources/assets/themes/card-glow.scss

// Used for shift overview cards headers
@each $state, $value in $theme-colors {
  $card-background: darken($value, 35%);
  $card-border: $value;
  $card-color: $value;

  @if (contrast-ratio($card-background, $card-color) < $min-contrast-ratio * 0.7) {
    $card-color: mix($value, color-contrast($card-background), 40%);
  }

  .card.bg-#{'' + $state} .card-header {
    background-color: $card-background;
    border-color: $card-border;

    .badge.bg-light {
      background-color: $card-color !important;
    }

    .badge.text-#{'' + $state} {
      color: $card-background !important;
    }

    a.text-white {
      color: $card-color !important;
    }

    .btn-#{'' + $state} {
      background-color: $card-background;
      border-color: $card-border !important;
      color: $card-color;
    }
  }
}