#867714

CSS

:root {
  --olive: #867714;
  --olive-rgb: 134 119 20;
  --olive-oklch: oklch(0.566 0.111 99.9);
}

.element {
  color: var(--olive);
  background-color: hsl(52 74% 30%);
  border-color: oklch(0.566 0.111 99.9);
}

Tailwind CSS v4

@theme {
  --color-olive: #867714;
  --color-olive-50: #fbf7d3;
  --color-olive-100: #efeabf;
  --color-olive-200: #ddd79f;
  --color-olive-300: #c3ba76;
  --color-olive-400: #aea04c;
  --color-olive-500: #988717;
  --color-olive-600: #807218;
  --color-olive-700: #675b13;
  --color-olive-800: #4d420a;
  --color-olive-900: #352e07;
  --color-olive-950: #211a00;
}

SCSS

$olive: #867714;
$olive-rgb: 134, 119, 20;
$olive-light: mix(#fff, $olive, 20%);
$olive-dark: mix(#000, $olive, 20%);

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