#C0D4BE

CSS

:root {
  --isle-of-dreams: #c0d4be;
  --isle-of-dreams-rgb: 192 212 190;
  --isle-of-dreams-oklch: oklch(0.849 0.037 142.7);
}

.element {
  color: var(--isle-of-dreams);
  background-color: hsl(115 20% 79%);
  border-color: oklch(0.849 0.037 142.7);
}

Tailwind CSS v4

@theme {
  --color-isle-of-dreams: #c0d4be;
  --color-isle-of-dreams-50: #eff8ef;
  --color-isle-of-dreams-100: #e1ebe0;
  --color-isle-of-dreams-200: #cbd9cb;
  --color-isle-of-dreams-300: #acbdac;
  --color-isle-of-dreams-400: #92a490;
  --color-isle-of-dreams-500: #788d76;
  --color-isle-of-dreams-600: #667764;
  --color-isle-of-dreams-700: #515f50;
  --color-isle-of-dreams-800: #3c463a;
  --color-isle-of-dreams-900: #293028;
  --color-isle-of-dreams-950: #171c16;
}

SCSS

$isle-of-dreams: #c0d4be;
$isle-of-dreams-rgb: 192, 212, 190;
$isle-of-dreams-light: mix(#fff, $isle-of-dreams, 20%);
$isle-of-dreams-dark: mix(#000, $isle-of-dreams, 20%);

.element {
  color: $isle-of-dreams;
  box-shadow: 0 0 0 2px rgba($isle-of-dreams, 0.35);
}