#8EA354

CSS

:root {
  --springtide-melodies: #8ea354;
  --springtide-melodies-rgb: 142 163 84;
  --springtide-melodies-oklch: oklch(0.681 0.108 121.6);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(76 32% 48%);
  border-color: oklch(0.681 0.108 121.6);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #8ea354;
  --color-springtide-melodies-50: #effbd9;
  --color-springtide-melodies-100: #e0efc7;
  --color-springtide-melodies-200: #cbddaa;
  --color-springtide-melodies-300: #acc183;
  --color-springtide-melodies-400: #94a85e;
  --color-springtide-melodies-500: #7b9137;
  --color-springtide-melodies-600: #687b30;
  --color-springtide-melodies-700: #536226;
  --color-springtide-melodies-800: #3e4819;
  --color-springtide-melodies-900: #2b3210;
  --color-springtide-melodies-950: #181d03;
}

SCSS

$springtide-melodies: #8ea354;
$springtide-melodies-rgb: 142, 163, 84;
$springtide-melodies-light: mix(#fff, $springtide-melodies, 20%);
$springtide-melodies-dark: mix(#000, $springtide-melodies, 20%);

.element {
  color: $springtide-melodies;
  box-shadow: 0 0 0 2px rgba($springtide-melodies, 0.35);
}