Huáng Sè Yellow

CSS

:root {
  --huang-se-yellow: #f0f20c;
  --huang-se-yellow-rgb: 240 242 12;
  --huang-se-yellow-oklch: oklch(0.929 0.202 110.4);
}

.element {
  color: var(--huang-se-yellow);
  background-color: hsl(61 91% 50%);
  border-color: oklch(0.929 0.202 110.4);
}

Tailwind CSS v4

@theme {
  --color-huang-se-yellow: #f0f20c;
  --color-huang-se-yellow-50: #f6fcb9;
  --color-huang-se-yellow-100: #e9efa0;
  --color-huang-se-yellow-200: #d6dd72;
  --color-huang-se-yellow-300: #bac12a;
  --color-huang-se-yellow-400: #a7a600;
  --color-huang-se-yellow-500: #918d00;
  --color-huang-se-yellow-600: #7a7800;
  --color-huang-se-yellow-700: #626000;
  --color-huang-se-yellow-800: #4a4500;
  --color-huang-se-yellow-900: #333000;
  --color-huang-se-yellow-950: #1f1c00;
}

SCSS

$huang-se-yellow: #f0f20c;
$huang-se-yellow-rgb: 240, 242, 12;
$huang-se-yellow-light: mix(#fff, $huang-se-yellow, 20%);
$huang-se-yellow-dark: mix(#000, $huang-se-yellow, 20%);

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