#96A154

CSS

:root {
  --springtide-melodies: #96a154;
  --springtide-melodies-rgb: 150 161 84;
  --springtide-melodies-oklch: oklch(0.683 0.102 115.9);
}

.element {
  color: var(--springtide-melodies);
  background-color: hsl(69 31% 48%);
  border-color: oklch(0.683 0.102 115.9);
}

Tailwind CSS v4

@theme {
  --color-springtide-melodies: #96a154;
  --color-springtide-melodies-50: #f2fad9;
  --color-springtide-melodies-100: #e4edc7;
  --color-springtide-melodies-200: #d0dba9;
  --color-springtide-melodies-300: #b2bf83;
  --color-springtide-melodies-400: #9ba65d;
  --color-springtide-melodies-500: #838e37;
  --color-springtide-melodies-600: #6f7830;
  --color-springtide-melodies-700: #596026;
  --color-springtide-melodies-800: #424618;
  --color-springtide-melodies-900: #2e3110;
  --color-springtide-melodies-950: #1a1d03;
}

SCSS

$springtide-melodies: #96a154;
$springtide-melodies-rgb: 150, 161, 84;
$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);
}