#4EAD63

CSS

:root {
  --devil-s-grass: #4ead63;
  --devil-s-grass-rgb: 78 173 99;
  --devil-s-grass-oklch: oklch(0.672 0.141 148.6);
}

.element {
  color: var(--devil-s-grass);
  background-color: hsl(133 38% 49%);
  border-color: oklch(0.672 0.141 148.6);
}

Tailwind CSS v4

@theme {
  --color-devil-s-grass: #4ead63;
  --color-devil-s-grass-50: #d9ffe1;
  --color-devil-s-grass-100: #c7f6d0;
  --color-devil-s-grass-200: #a8e6b5;
  --color-devil-s-grass-300: #80cc92;
  --color-devil-s-grass-400: #5cb56e;
  --color-devil-s-grass-500: #2e9f4e;
  --color-devil-s-grass-600: #2a8642;
  --color-devil-s-grass-700: #216b35;
  --color-devil-s-grass-800: #1a4f23;
  --color-devil-s-grass-900: #113717;
  --color-devil-s-grass-950: #032208;
}

SCSS

$devil-s-grass: #4ead63;
$devil-s-grass-rgb: 78, 173, 99;
$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);
}