#97A149

CSS

:root {
  --springtide-melodies: #97a149;
  --springtide-melodies-rgb: 151 161 73;
  --springtide-melodies-oklch: oklch(0.682 0.113 114.8);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(67 38% 46%);
  border-color: oklch(0.682 0.113 114.8);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #97a149;
  --color-springtide-melodies-50: #f2fad6;
  --color-springtide-melodies-100: #e5edc3;
  --color-springtide-melodies-200: #d0dba4;
  --color-springtide-melodies-300: #b3bf7c;
  --color-springtide-melodies-400: #9ca654;
  --color-springtide-melodies-500: #848e27;
  --color-springtide-melodies-600: #707823;
  --color-springtide-melodies-700: #5a601c;
  --color-springtide-melodies-800: #434610;
  --color-springtide-melodies-900: #2e310a;
  --color-springtide-melodies-950: #1b1d00;
}

SCSS

$springtide-melodies: #97a149;
$springtide-melodies-rgb: 151, 161, 73;
$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);
}