Selective Yellow

CSS

:root {
  --selective-yellow: #ffba00;
  --selective-yellow-rgb: 255 186 0;
  --selective-yellow-oklch: oklch(0.831 0.171 81.5);
}

.element {
  color: var(--selective-yellow);
  background-color: hsl(44 100% 50%);
  border-color: oklch(0.831 0.171 81.5);
}

Tailwind CSS v4

@theme {
  --color-selective-yellow: #ffba00;
  --color-selective-yellow-50: #fff2bd;
  --color-selective-yellow-100: #ffe4a6;
  --color-selective-yellow-200: #f7ce7c;
  --color-selective-yellow-300: #e1af40;
  --color-selective-yellow-400: #d19100;
  --color-selective-yellow-500: #be7500;
  --color-selective-yellow-600: #a06300;
  --color-selective-yellow-700: #804f00;
  --color-selective-yellow-800: #613800;
  --color-selective-yellow-900: #442700;
  --color-selective-yellow-950: #2c1400;
}

SCSS

$selective-yellow: #ffba00;
$selective-yellow-rgb: 255, 186, 0;
$selective-yellow-light: mix(#fff, $selective-yellow, 20%);
$selective-yellow-dark: mix(#000, $selective-yellow, 20%);

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