#3DB13A

CSS

:root {
  --try-your-luck: #3db13a;
  --try-your-luck-rgb: 61 177 58;
  --try-your-luck-oklch: oklch(0.671 0.189 142.8);
}

.element {
  color: var(--try-your-luck);
  background-color: hsl(118 51% 46%);
  border-color: oklch(0.671 0.189 142.8);
}

Tailwind CSS v4

@theme {
  --color-try-your-luck: #3db13a;
  --color-try-your-luck-50: #d4ffd4;
  --color-try-your-luck-100: #c1f9c1;
  --color-try-your-luck-200: #a0eaa1;
  --color-try-your-luck-300: #74d078;
  --color-try-your-luck-400: #4fb94b;
  --color-try-your-luck-500: #05a30c;
  --color-try-your-luck-600: #108a12;
  --color-try-your-luck-700: #0e6e0f;
  --color-try-your-luck-800: #105102;
  --color-try-your-luck-900: #0b3803;
  --color-try-your-luck-950: #002300;
}

SCSS

$try-your-luck: #3db13a;
$try-your-luck-rgb: 61, 177, 58;
$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);
}