#586053

CSS

:root {
  --black-forest: #586053;
  --black-forest-rgb: 88 96 83;
  --black-forest-oklch: oklch(0.478 0.023 133.3);
}

.element {
  color: var(--black-forest);
  background-color: hsl(97 7% 35%);
  border-color: oklch(0.478 0.023 133.3);
}

Tailwind CSS v4

@theme {
  --color-black-forest: #586053;
  --color-black-forest-50: #f2f7f0;
  --color-black-forest-100: #e5eae2;
  --color-black-forest-200: #d0d7cd;
  --color-black-forest-300: #b2baaf;
  --color-black-forest-400: #99a294;
  --color-black-forest-500: #808a7a;
  --color-black-forest-600: #6d7468;
  --color-black-forest-700: #575d53;
  --color-black-forest-800: #40443c;
  --color-black-forest-900: #2c2f29;
  --color-black-forest-950: #191c17;
}

SCSS

$black-forest: #586053;
$black-forest-rgb: 88, 96, 83;
$black-forest-light: mix(#fff, $black-forest, 20%);
$black-forest-dark: mix(#000, $black-forest, 20%);

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