#807E00

CSS

:root {
  --olive: #807e00;
  --olive-rgb: 128 126 0;
  --olive-oklch: oklch(0.576 0.125 108.6);
}

.element {
  color: var(--olive);
  background-color: hsl(59 100% 25%);
  border-color: oklch(0.576 0.125 108.6);
}

Tailwind CSS v4

@theme {
  --color-olive: #807e00;
  --color-olive-50: #f6f9d0;
  --color-olive-100: #e9ecbd;
  --color-olive-200: #d6da9c;
  --color-olive-300: #babe71;
  --color-olive-400: #a5a444;
  --color-olive-500: #8e8c00;
  --color-olive-600: #787602;
  --color-olive-700: #605f05;
  --color-olive-800: #484500;
  --color-olive-900: #322f02;
  --color-olive-950: #1e1c00;
}

SCSS

$olive: #807e00;
$olive-rgb: 128, 126, 0;
$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);
}