#A8988D

CSS

:root {
  --earl-grey: #a8988d;
  --earl-grey-rgb: 168 152 141;
  --earl-grey-oklch: oklch(0.691 0.025 56.8);
}

.element {
  color: var(--earl-grey);
  background-color: hsl(24 13% 61%);
  border-color: oklch(0.691 0.025 56.8);
}

Tailwind CSS v4

@theme {
  --color-earl-grey: #a8988d;
  --color-earl-grey-50: #fbf4ee;
  --color-earl-grey-100: #eee6e0;
  --color-earl-grey-200: #ddd2ca;
  --color-earl-grey-300: #c1b5ab;
  --color-earl-grey-400: #aa9b91;
  --color-earl-grey-500: #938277;
  --color-earl-grey-600: #7d6e65;
  --color-earl-grey-700: #645850;
  --color-earl-grey-800: #49403a;
  --color-earl-grey-900: #332c28;
  --color-earl-grey-950: #1f1916;
}

SCSS

$earl-grey: #a8988d;
$earl-grey-rgb: 168, 152, 141;
$earl-grey-light: mix(#fff, $earl-grey, 20%);
$earl-grey-dark: mix(#000, $earl-grey, 20%);

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