#ABD0CF

CSS

:root {
  --catch-the-wave: #abd0cf;
  --catch-the-wave-rgb: 171 208 207;
  --catch-the-wave-oklch: oklch(0.831 0.039 194.4);
}

.element {
  color: var(--catch-the-wave);
  background-color: hsl(178 28% 74%);
  border-color: oklch(0.831 0.039 194.4);
}

Tailwind CSS v4

@theme {
  --color-catch-the-wave: #abd0cf;
  --color-catch-the-wave-50: #e9f9f9;
  --color-catch-the-wave-100: #daecec;
  --color-catch-the-wave-200: #c2dada;
  --color-catch-the-wave-300: #a1bebe;
  --color-catch-the-wave-400: #84a6a5;
  --color-catch-the-wave-500: #688f8e;
  --color-catch-the-wave-600: #587978;
  --color-catch-the-wave-700: #466160;
  --color-catch-the-wave-800: #334746;
  --color-catch-the-wave-900: #223130;
  --color-catch-the-wave-950: #111d1d;
}

SCSS

$catch-the-wave: #abd0cf;
$catch-the-wave-rgb: 171, 208, 207;
$catch-the-wave-light: mix(#fff, $catch-the-wave, 20%);
$catch-the-wave-dark: mix(#000, $catch-the-wave, 20%);

.element {
  color: $catch-the-wave;
  box-shadow: 0 0 0 2px rgba($catch-the-wave, 0.35);
}