#737D00

CSS

:root {
  --olive: #737d00;
  --olive-rgb: 115 125 0;
  --olive-oklch: oklch(0.562 0.128 115.2);
}

.element {
  color: var(--olive);
  background-color: hsl(65 100% 25%);
  border-color: oklch(0.562 0.128 115.2);
}

Tailwind CSS v4

@theme {
  --color-olive: #737d00;
  --color-olive-50: #f2fbd2;
  --color-olive-100: #e4eebe;
  --color-olive-200: #d0dc9e;
  --color-olive-300: #b2c073;
  --color-olive-400: #9ca747;
  --color-olive-500: #848f02;
  --color-olive-600: #70790c;
  --color-olive-700: #59610b;
  --color-olive-800: #434703;
  --color-olive-900: #2e3103;
  --color-olive-950: #1b1d00;
}

SCSS

$olive: #737d00;
$olive-rgb: 115, 125, 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);
}