#3CB137

CSS

:root {
  --try-your-luck: #3cb137;
  --try-your-luck-rgb: 60 177 55;
  --try-your-luck-oklch: oklch(0.67 0.191 142.5);
}

.element {
  color: var(--try-your-luck);
  background-color: hsl(118 53% 45%);
  border-color: oklch(0.67 0.191 142.5);
}

Tailwind CSS v4

@theme {
  --color-try-your-luck: #3cb137;
  --color-try-your-luck-50: #d4ffd3;
  --color-try-your-luck-100: #c1f9c0;
  --color-try-your-luck-200: #a0eaa0;
  --color-try-your-luck-300: #74d177;
  --color-try-your-luck-400: #4eb948;
  --color-try-your-luck-500: #01a302;
  --color-try-your-luck-600: #0e8a0c;
  --color-try-your-luck-700: #0d6f0b;
  --color-try-your-luck-800: #105100;
  --color-try-your-luck-900: #0a3801;
  --color-try-your-luck-950: #002300;
}

SCSS

$try-your-luck: #3cb137;
$try-your-luck-rgb: 60, 177, 55;
$try-your-luck-light: mix(#fff, $try-your-luck, 20%);
$try-your-luck-dark: mix(#000, $try-your-luck, 20%);

.element {
  color: $try-your-luck;
  box-shadow: 0 0 0 2px rgba($try-your-luck, 0.35);
}