Mermaid’s Tail

CSS

:root {
  --mermaid-s-tail: #337b35;
  --mermaid-s-tail-rgb: 51 123 53;
  --mermaid-s-tail-oklch: oklch(0.52 0.127 144);
}

.element {
  color: var(--mermaid-s-tail);
  background-color: hsl(122 41% 34%);
  border-color: oklch(0.52 0.127 144);
}

Tailwind CSS v4

@theme {
  --color-mermaid-s-tail: #337b35;
  --color-mermaid-s-tail-50: #dfffe0;
  --color-mermaid-s-tail-100: #cef4cf;
  --color-mermaid-s-tail-200: #b2e3b4;
  --color-mermaid-s-tail-300: #8dc990;
  --color-mermaid-s-tail-400: #6eb26d;
  --color-mermaid-s-tail-500: #4b9b4c;
  --color-mermaid-s-tail-600: #408341;
  --color-mermaid-s-tail-700: #336934;
  --color-mermaid-s-tail-800: #264d22;
  --color-mermaid-s-tail-900: #193617;
  --color-mermaid-s-tail-950: #0a2108;
}

SCSS

$mermaid-s-tail: #337b35;
$mermaid-s-tail-rgb: 51, 123, 53;
$mermaid-s-tail-light: mix(#fff, $mermaid-s-tail, 20%);
$mermaid-s-tail-dark: mix(#000, $mermaid-s-tail, 20%);

.element {
  color: $mermaid-s-tail;
  box-shadow: 0 0 0 2px rgba($mermaid-s-tail, 0.35);
}