#97A153

CSS

:root {
  --springtide-melodies: #97a153;
  --springtide-melodies-rgb: 151 161 83;
  --springtide-melodies-oklch: oklch(0.684 0.103 115.2);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(68 32% 48%);
  border-color: oklch(0.684 0.103 115.2);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #97a153;
  --color-springtide-melodies-50: #f2fad9;
  --color-springtide-melodies-100: #e5edc6;
  --color-springtide-melodies-200: #d0dba9;
  --color-springtide-melodies-300: #b3bf82;
  --color-springtide-melodies-400: #9ca65c;
  --color-springtide-melodies-500: #848e35;
  --color-springtide-melodies-600: #70782e;
  --color-springtide-melodies-700: #596025;
  --color-springtide-melodies-800: #424618;
  --color-springtide-melodies-900: #2e300f;
  --color-springtide-melodies-950: #1b1d03;
}

SCSS

$springtide-melodies: #97a153;
$springtide-melodies-rgb: 151, 161, 83;
$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);
}