Safety Yellow

CSS

:root {
  --safety-yellow: #eed202;
  --safety-yellow-rgb: 238 210 2;
  --safety-yellow-oklch: oklch(0.861 0.178 99.5);
}

.element {
  color: var(--safety-yellow);
  background-color: hsl(53 98% 47%);
  border-color: oklch(0.861 0.178 99.5);
}

Tailwind CSS v4

@theme {
  --color-safety-yellow: #eed202;
  --color-safety-yellow-50: #fff8bc;
  --color-safety-yellow-100: #f4eba5;
  --color-safety-yellow-200: #e4d77a;
  --color-safety-yellow-300: #cbba3b;
  --color-safety-yellow-400: #b99e00;
  --color-safety-yellow-500: #a48400;
  --color-safety-yellow-600: #8b7000;
  --color-safety-yellow-700: #6f5a00;
  --color-safety-yellow-800: #544000;
  --color-safety-yellow-900: #3a2d00;
  --color-safety-yellow-950: #251900;
}

SCSS

$safety-yellow: #eed202;
$safety-yellow-rgb: 238, 210, 2;
$safety-yellow-light: mix(#fff, $safety-yellow, 20%);
$safety-yellow-dark: mix(#000, $safety-yellow, 20%);

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