#A3D2CF

CSS

:root {
  --catch-the-wave: #a3d2cf;
  --catch-the-wave-rgb: 163 210 207;
  --catch-the-wave-oklch: oklch(0.83 0.049 191.4);
}

.element {
  color: var(--catch-the-wave);
  background-color: hsl(176 34% 73%);
  border-color: oklch(0.83 0.049 191.4);
}

Tailwind CSS v4

@theme {
  --color-catch-the-wave: #a3d2cf;
  --color-catch-the-wave-50: #e6faf9;
  --color-catch-the-wave-100: #d6edec;
  --color-catch-the-wave-200: #bddbda;
  --color-catch-the-wave-300: #9bc0be;
  --color-catch-the-wave-400: #7da8a5;
  --color-catch-the-wave-500: #5f918e;
  --color-catch-the-wave-600: #517b78;
  --color-catch-the-wave-700: #406260;
  --color-catch-the-wave-800: #2e4846;
  --color-catch-the-wave-900: #1f3230;
  --color-catch-the-wave-950: #0f1e1d;
}

SCSS

$catch-the-wave: #a3d2cf;
$catch-the-wave-rgb: 163, 210, 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);
}