#7D7A07

CSS

:root {
  --olive: #7d7a07;
  --olive-rgb: 125 122 7;
  --olive-oklch: oklch(0.564 0.12 107.9);
}

.element {
  color: var(--olive);
  background-color: hsl(58 89% 26%);
  border-color: oklch(0.564 0.12 107.9);
}

Tailwind CSS v4

@theme {
  --color-olive: #7d7a07;
  --color-olive-50: #f7f9d2;
  --color-olive-100: #eaecbe;
  --color-olive-200: #d7d99e;
  --color-olive-300: #bbbd74;
  --color-olive-400: #a5a449;
  --color-olive-500: #8e8b09;
  --color-olive-600: #787610;
  --color-olive-700: #605e0e;
  --color-olive-800: #484405;
  --color-olive-900: #322f04;
  --color-olive-950: #1e1c00;
}

SCSS

$olive: #7d7a07;
$olive-rgb: 125, 122, 7;
$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);
}