Mermaid Harbour

CSS

:root {
  --mermaid-harbour: #00776f;
  --mermaid-harbour-rgb: 0 119 111;
  --mermaid-harbour-oklch: oklch(0.512 0.09 186.7);
}

.element {
  color: var(--mermaid-harbour);
  background-color: hsl(176 100% 23%);
  border-color: oklch(0.512 0.09 186.7);
}

Tailwind CSS v4

@theme {
  --color-mermaid-harbour: #00776f;
  --color-mermaid-harbour-50: #d9fefa;
  --color-mermaid-harbour-100: #c7f2ee;
  --color-mermaid-harbour-200: #a9e1dc;
  --color-mermaid-harbour-300: #80c7c0;
  --color-mermaid-harbour-400: #59b0a7;
  --color-mermaid-harbour-500: #279990;
  --color-mermaid-harbour-600: #25817a;
  --color-mermaid-harbour-700: #1d6861;
  --color-mermaid-harbour-800: #144c46;
  --color-mermaid-harbour-900: #0d3531;
  --color-mermaid-harbour-950: #01201d;
}

SCSS

$mermaid-harbour: #00776f;
$mermaid-harbour-rgb: 0, 119, 111;
$mermaid-harbour-light: mix(#fff, $mermaid-harbour, 20%);
$mermaid-harbour-dark: mix(#000, $mermaid-harbour, 20%);

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