#854432

CSS

:root {
  --olive-nicoise: #854432;
  --olive-nicoise-rgb: 133 68 50;
  --olive-nicoise-oklch: oklch(0.464 0.094 36.4);
}

.element {
  color: var(--olive-nicoise);
  background-color: hsl(13 45% 36%);
  border-color: oklch(0.464 0.094 36.4);
}

Tailwind CSS v4

@theme {
  --color-olive-nicoise: #854432;
  --color-olive-nicoise-50: #ffede2;
  --color-olive-nicoise-100: #ffded1;
  --color-olive-nicoise-200: #f9c7b7;
  --color-olive-nicoise-300: #e2a795;
  --color-olive-nicoise-400: #cf8b77;
  --color-olive-nicoise-500: #bb6f59;
  --color-olive-nicoise-600: #9e5e4c;
  --color-olive-nicoise-700: #7f4b3c;
  --color-olive-nicoise-800: #5e362c;
  --color-olive-nicoise-900: #42251e;
  --color-olive-nicoise-950: #2a130e;
}

SCSS

$olive-nicoise: #854432;
$olive-nicoise-rgb: 133, 68, 50;
$olive-nicoise-light: mix(#fff, $olive-nicoise, 20%);
$olive-nicoise-dark: mix(#000, $olive-nicoise, 20%);

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