#767C18

CSS

:root {
  --olive: #767c18;
  --olive-rgb: 118 124 24;
  --olive-oklch: oklch(0.563 0.117 113.2);
}

.element {
  color: var(--olive);
  background-color: hsl(64 68% 29%);
  border-color: oklch(0.563 0.117 113.2);
}

Tailwind CSS v4

@theme {
  --color-olive: #767c18;
  --color-olive-50: #f3fad4;
  --color-olive-100: #e6edc1;
  --color-olive-200: #d2dba1;
  --color-olive-300: #b5bf78;
  --color-olive-400: #9fa64f;
  --color-olive-500: #878e1d;
  --color-olive-600: #72781c;
  --color-olive-700: #5b6017;
  --color-olive-800: #44460c;
  --color-olive-900: #2f3008;
  --color-olive-950: #1c1c00;
}

SCSS

$olive: #767c18;
$olive-rgb: 118, 124, 24;
$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);
}