#1AB337

CSS

:root {
  --try-your-luck: #1ab337;
  --try-your-luck-rgb: 26 179 55;
  --try-your-luck-oklch: oklch(0.669 0.203 145);
}

.element {
  color: var(--try-your-luck);
  background-color: hsl(131 75% 40%);
  border-color: oklch(0.669 0.203 145);
}

Tailwind CSS v4

@theme {
  --color-try-your-luck: #1ab337;
  --color-try-your-luck-50: #cfffd4;
  --color-try-your-luck-100: #bbfbc1;
  --color-try-your-luck-200: #98eca1;
  --color-try-your-luck-300: #67d377;
  --color-try-your-luck-400: #39bc49;
  --color-try-your-luck-500: #00a603;
  --color-try-your-luck-600: #008c0d;
  --color-try-your-luck-700: #00700c;
  --color-try-your-luck-800: #005200;
  --color-try-your-luck-900: #003901;
  --color-try-your-luck-950: #002300;
}

SCSS

$try-your-luck: #1ab337;
$try-your-luck-rgb: 26, 179, 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);
}