#F0F5F1

CSS

:root {
  --white-porcelain: #f0f5f1;
  --white-porcelain-rgb: 240 245 241;
  --white-porcelain-oklch: oklch(0.965 0.007 151.9);
}

.element {
  color: var(--white-porcelain);
  background-color: hsl(132 20% 95%);
  border-color: oklch(0.965 0.007 151.9);
}

Tailwind CSS v4

@theme {
  --color-white-porcelain: #f0f5f1;
  --color-white-porcelain-50: #f3f6f4;
  --color-white-porcelain-100: #e6e8e7;
  --color-white-porcelain-200: #d2d5d3;
  --color-white-porcelain-300: #b5b8b6;
  --color-white-porcelain-400: #9ba09c;
  --color-white-porcelain-500: #838884;
  --color-white-porcelain-600: #6f736f;
  --color-white-porcelain-700: #585c59;
  --color-white-porcelain-800: #414341;
  --color-white-porcelain-900: #2c2e2d;
  --color-white-porcelain-950: #1a1b1a;
}

SCSS

$white-porcelain: #f0f5f1;
$white-porcelain-rgb: 240, 245, 241;
$white-porcelain-light: mix(#fff, $white-porcelain, 20%);
$white-porcelain-dark: mix(#000, $white-porcelain, 20%);

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