Muddy Yellow

CSS

:root {
  --muddy-yellow: #bfac05;
  --muddy-yellow-rgb: 191 172 5;
  --muddy-yellow-oklch: oklch(0.738 0.153 101.4);
}

.element {
  color: var(--muddy-yellow);
  background-color: hsl(54 95% 38%);
  border-color: oklch(0.738 0.153 101.4);
}

Tailwind CSS v4

@theme {
  --color-muddy-yellow: #bfac05;
  --color-muddy-yellow-50: #fcf8c5;
  --color-muddy-yellow-100: #f0ebaf;
  --color-muddy-yellow-200: #dfd889;
  --color-muddy-yellow-300: #c5bb56;
  --color-muddy-yellow-400: #b2a003;
  --color-muddy-yellow-500: #9d8700;
  --color-muddy-yellow-600: #847200;
  --color-muddy-yellow-700: #6a5b00;
  --color-muddy-yellow-800: #504200;
  --color-muddy-yellow-900: #372e00;
  --color-muddy-yellow-950: #221a00;
}

SCSS

$muddy-yellow: #bfac05;
$muddy-yellow-rgb: 191, 172, 5;
$muddy-yellow-light: mix(#fff, $muddy-yellow, 20%);
$muddy-yellow-dark: mix(#000, $muddy-yellow, 20%);

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