#93A251

CSS

:root {
  --springtide-melodies: #93a251;
  --springtide-melodies-rgb: 147 162 81;
  --springtide-melodies-oklch: oklch(0.682 0.108 118);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(71 33% 48%);
  border-color: oklch(0.682 0.108 118);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #93a251;
  --color-springtide-melodies-50: #f1fad8;
  --color-springtide-melodies-100: #e3eec6;
  --color-springtide-melodies-200: #cedca8;
  --color-springtide-melodies-300: #b0c081;
  --color-springtide-melodies-400: #99a75b;
  --color-springtide-melodies-500: #808f33;
  --color-springtide-melodies-600: #6c792d;
  --color-springtide-melodies-700: #576123;
  --color-springtide-melodies-800: #414716;
  --color-springtide-melodies-900: #2c310e;
  --color-springtide-melodies-950: #1a1d02;
}

SCSS

$springtide-melodies: #93a251;
$springtide-melodies-rgb: 147, 162, 81;
$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);
}