Traffic Yellow

CSS

:root {
  --traffic-yellow: #fedc39;
  --traffic-yellow-rgb: 254 220 57;
  --traffic-yellow-oklch: oklch(0.897 0.17 96.5);
}

.element {
  color: var(--traffic-yellow);
  background-color: hsl(50 99% 61%);
  border-color: oklch(0.897 0.17 96.5);
}

Tailwind CSS v4

@theme {
  --color-traffic-yellow: #fedc39;
  --color-traffic-yellow-50: #fff7bf;
  --color-traffic-yellow-100: #f6e9a7;
  --color-traffic-yellow-200: #e7d67d;
  --color-traffic-yellow-300: #ceb843;
  --color-traffic-yellow-400: #bc9c00;
  --color-traffic-yellow-500: #a88200;
  --color-traffic-yellow-600: #8e6e00;
  --color-traffic-yellow-700: #715800;
  --color-traffic-yellow-800: #553f00;
  --color-traffic-yellow-900: #3c2c00;
  --color-traffic-yellow-950: #251900;
}

SCSS

$traffic-yellow: #fedc39;
$traffic-yellow-rgb: 254, 220, 57;
$traffic-yellow-light: mix(#fff, $traffic-yellow, 20%);
$traffic-yellow-dark: mix(#000, $traffic-yellow, 20%);

.element {
  color: $traffic-yellow;
  box-shadow: 0 0 0 2px rgba($traffic-yellow, 0.35);
}