#3FB03F

CSS

:root {
  --try-your-luck: #3fb03f;
  --try-your-luck-rgb: 63 176 63;
  --try-your-luck-oklch: oklch(0.669 0.183 143.2);
}

.element {
  color: var(--try-your-luck);
  background-color: hsl(120 47% 47%);
  border-color: oklch(0.669 0.183 143.2);
}

Tailwind CSS v4

@theme {
  --color-try-your-luck: #3fb03f;
  --color-try-your-luck-50: #d5ffd5;
  --color-try-your-luck-100: #c2f9c3;
  --color-try-your-luck-200: #a1e9a4;
  --color-try-your-luck-300: #76d07b;
  --color-try-your-luck-400: #51b94f;
  --color-try-your-luck-500: #0fa21b;
  --color-try-your-luck-600: #15891b;
  --color-try-your-luck-700: #126e16;
  --color-try-your-luck-800: #125107;
  --color-try-your-luck-900: #0c3805;
  --color-try-your-luck-950: #002300;
}

SCSS

$try-your-luck: #3fb03f;
$try-your-luck-rgb: 63, 176, 63;
$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);
}