#56AD5B

CSS

:root {
  --devil-s-grass: #56ad5b;
  --devil-s-grass-rgb: 86 173 91;
  --devil-s-grass-oklch: oklch(0.674 0.145 144.9);
}

.element {
  color: var(--devil-s-grass);
  background-color: hsl(123 35% 51%);
  border-color: oklch(0.674 0.145 144.9);
}

Tailwind CSS v4

@theme {
  --color-devil-s-grass: #56ad5b;
  --color-devil-s-grass-50: #dbffde;
  --color-devil-s-grass-100: #c9f6cc;
  --color-devil-s-grass-200: #abe6b0;
  --color-devil-s-grass-300: #84cc8b;
  --color-devil-s-grass-400: #63b466;
  --color-devil-s-grass-500: #3a9e43;
  --color-devil-s-grass-600: #33863a;
  --color-devil-s-grass-700: #286b2e;
  --color-devil-s-grass-800: #1f4e1d;
  --color-devil-s-grass-900: #143713;
  --color-devil-s-grass-950: #062105;
}

SCSS

$devil-s-grass: #56ad5b;
$devil-s-grass-rgb: 86, 173, 91;
$devil-s-grass-light: mix(#fff, $devil-s-grass, 20%);
$devil-s-grass-dark: mix(#000, $devil-s-grass, 20%);

.element {
  color: $devil-s-grass;
  box-shadow: 0 0 0 2px rgba($devil-s-grass, 0.35);
}