#98A150

CSS

:root {
  --springtide-melodies: #98a150;
  --springtide-melodies-rgb: 152 161 80;
  --springtide-melodies-oklch: oklch(0.684 0.106 114.5);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(67 34% 47%);
  border-color: oklch(0.684 0.106 114.5);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #98a150;
  --color-springtide-melodies-50: #f3fad8;
  --color-springtide-melodies-100: #e5edc5;
  --color-springtide-melodies-200: #d1dba7;
  --color-springtide-melodies-300: #b4bf80;
  --color-springtide-melodies-400: #9da65a;
  --color-springtide-melodies-500: #858e31;
  --color-springtide-melodies-600: #70782b;
  --color-springtide-melodies-700: #5a6022;
  --color-springtide-melodies-800: #434615;
  --color-springtide-melodies-900: #2e300e;
  --color-springtide-melodies-950: #1b1d02;
}

SCSS

$springtide-melodies: #98a150;
$springtide-melodies-rgb: 152, 161, 80;
$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);
}