Aquarium Blue

CSS

:root {
  --aquarium-blue: #66cdaa;
  --aquarium-blue-rgb: 102 205 170;
  --aquarium-blue-oklch: oklch(0.777 0.11 168.8);
}

.element {
  color: var(--aquarium-blue);
  background-color: hsl(160 51% 60%);
  border-color: oklch(0.777 0.11 168.8);
}

Tailwind CSS v4

@theme {
  --color-aquarium-blue: #66cdaa;
  --color-aquarium-blue-50: #d7fff1;
  --color-aquarium-blue-100: #c4f4e3;
  --color-aquarium-blue-200: #a5e4ce;
  --color-aquarium-blue-300: #7acab0;
  --color-aquarium-blue-400: #52b393;
  --color-aquarium-blue-500: #139d79;
  --color-aquarium-blue-600: #178567;
  --color-aquarium-blue-700: #136a52;
  --color-aquarium-blue-800: #0e4e3a;
  --color-aquarium-blue-900: #093628;
  --color-aquarium-blue-950: #002116;
}

SCSS

$aquarium-blue: #66cdaa;
$aquarium-blue-rgb: 102, 205, 170;
$aquarium-blue-light: mix(#fff, $aquarium-blue, 20%);
$aquarium-blue-dark: mix(#000, $aquarium-blue, 20%);

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