#F4EEEF

CSS

:root {
  --plastic-clouds: #f4eeef;
  --plastic-clouds-rgb: 244 238 239;
  --plastic-clouds-oklch: oklch(0.954 0.007 5.6);
}

.element {
  color: var(--plastic-clouds);
  background-color: hsl(350 21% 95%);
  border-color: oklch(0.954 0.007 5.6);
}

Tailwind CSS v4

@theme {
  --color-plastic-clouds: #f4eeef;
  --color-plastic-clouds-50: #f7f4f5;
  --color-plastic-clouds-100: #eae7e7;
  --color-plastic-clouds-200: #d7d3d4;
  --color-plastic-clouds-300: #bbb6b7;
  --color-plastic-clouds-400: #a29d9e;
  --color-plastic-clouds-500: #8a8485;
  --color-plastic-clouds-600: #757071;
  --color-plastic-clouds-700: #5e5a5a;
  --color-plastic-clouds-800: #444142;
  --color-plastic-clouds-900: #2f2d2e;
  --color-plastic-clouds-950: #1c1a1a;
}

SCSS

$plastic-clouds: #f4eeef;
$plastic-clouds-rgb: 244, 238, 239;
$plastic-clouds-light: mix(#fff, $plastic-clouds, 20%);
$plastic-clouds-dark: mix(#000, $plastic-clouds, 20%);

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