#8FA352

CSS

:root {
  --springtide-melodies: #8fa352;
  --springtide-melodies-rgb: 143 163 82;
  --springtide-melodies-oklch: oklch(0.682 0.109 120.8);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(75 33% 48%);
  border-color: oklch(0.682 0.109 120.8);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #8fa352;
  --color-springtide-melodies-50: #effbd9;
  --color-springtide-melodies-100: #e1eec6;
  --color-springtide-melodies-200: #cbdca9;
  --color-springtide-melodies-300: #adc182;
  --color-springtide-melodies-400: #95a85c;
  --color-springtide-melodies-500: #7c9134;
  --color-springtide-melodies-600: #697a2e;
  --color-springtide-melodies-700: #546224;
  --color-springtide-melodies-800: #3e4717;
  --color-springtide-melodies-900: #2b320f;
  --color-springtide-melodies-950: #181d03;
}

SCSS

$springtide-melodies: #8fa352;
$springtide-melodies-rgb: 143, 163, 82;
$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);
}