#FCF6F0

CSS

:root {
  --silver-bird: #fcf6f0;
  --silver-bird-rgb: 252 246 240;
  --silver-bird-oklch: oklch(0.976 0.01 67.7);
}

.element {
  color: var(--silver-bird);
  background-color: hsl(30 67% 96%);
  border-color: oklch(0.976 0.01 67.7);
}

Tailwind CSS v4

@theme {
  --color-silver-bird: #fcf6f0;
  --color-silver-bird-50: #f7f5f2;
  --color-silver-bird-100: #eae7e4;
  --color-silver-bird-200: #d7d3d0;
  --color-silver-bird-300: #bbb6b2;
  --color-silver-bird-400: #a39d98;
  --color-silver-bird-500: #8b857f;
  --color-silver-bird-600: #75716c;
  --color-silver-bird-700: #5e5a56;
  --color-silver-bird-800: #45423f;
  --color-silver-bird-900: #302d2b;
  --color-silver-bird-950: #1c1a18;
}

SCSS

$silver-bird: #fcf6f0;
$silver-bird-rgb: 252, 246, 240;
$silver-bird-light: mix(#fff, $silver-bird, 20%);
$silver-bird-dark: mix(#000, $silver-bird, 20%);

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