#BCE0DC

CSS

:root {
  --catch-the-wave: #bce0dc;
  --catch-the-wave-rgb: 188 224 220;
  --catch-the-wave-oklch: oklch(0.88 0.038 188.3);
}

.element {
  color: var(--catch-the-wave);
  background-color: hsl(173 37% 81%);
  border-color: oklch(0.88 0.038 188.3);
}

Tailwind CSS v4

@theme {
  --color-catch-the-wave: #bce0dc;
  --color-catch-the-wave-50: #eaf9f7;
  --color-catch-the-wave-100: #daeceb;
  --color-catch-the-wave-200: #c3dad8;
  --color-catch-the-wave-300: #a2bebc;
  --color-catch-the-wave-400: #85a6a3;
  --color-catch-the-wave-500: #698f8b;
  --color-catch-the-wave-600: #597975;
  --color-catch-the-wave-700: #47615e;
  --color-catch-the-wave-800: #334744;
  --color-catch-the-wave-900: #23312f;
  --color-catch-the-wave-950: #121d1c;
}

SCSS

$catch-the-wave: #bce0dc;
$catch-the-wave-rgb: 188, 224, 220;
$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);
}