#057D42

CSS

:root {
  --gale-of-the-wind: #057d42;
  --gale-of-the-wind-rgb: 5 125 66;
  --gale-of-the-wind-oklch: oklch(0.518 0.131 153.2);
}

.element {
  color: var(--gale-of-the-wind);
  background-color: hsl(151 92% 25%);
  border-color: oklch(0.518 0.131 153.2);
}

Tailwind CSS v4

@theme {
  --color-gale-of-the-wind: #057d42;
  --color-gale-of-the-wind-50: #d8ffe5;
  --color-gale-of-the-wind-100: #c6f6d5;
  --color-gale-of-the-wind-200: #a7e5bc;
  --color-gale-of-the-wind-300: #7ecc9a;
  --color-gale-of-the-wind-400: #59b579;
  --color-gale-of-the-wind-500: #289e5b;
  --color-gale-of-the-wind-600: #25864d;
  --color-gale-of-the-wind-700: #1e6b3e;
  --color-gale-of-the-wind-800: #174f2a;
  --color-gale-of-the-wind-900: #0f371c;
  --color-gale-of-the-wind-950: #02220c;
}

SCSS

$gale-of-the-wind: #057d42;
$gale-of-the-wind-rgb: 5, 125, 66;
$gale-of-the-wind-light: mix(#fff, $gale-of-the-wind, 20%);
$gale-of-the-wind-dark: mix(#000, $gale-of-the-wind, 20%);

.element {
  color: $gale-of-the-wind;
  box-shadow: 0 0 0 2px rgba($gale-of-the-wind, 0.35);
}