Black Sheep

CSS

:root {
  --black-sheep: #0f0d0d;
  --black-sheep-rgb: 15 13 13;
  --black-sheep-oklch: oklch(0.162 0.003 17.5);
}

.element {
  color: var(--black-sheep);
  background-color: hsl(0 7% 5%);
  border-color: oklch(0.162 0.003 17.5);
}

Tailwind CSS v4

@theme {
  --color-black-sheep: #0f0d0d;
  --color-black-sheep-50: #f6f5f5;
  --color-black-sheep-100: #e9e7e7;
  --color-black-sheep-200: #d6d4d3;
  --color-black-sheep-300: #b9b7b6;
  --color-black-sheep-400: #a09e9e;
  --color-black-sheep-500: #888585;
  --color-black-sheep-600: #737171;
  --color-black-sheep-700: #5c5a5a;
  --color-black-sheep-800: #434242;
  --color-black-sheep-900: #2f2d2d;
  --color-black-sheep-950: #1b1a1a;
}

SCSS

$black-sheep: #0f0d0d;
$black-sheep-rgb: 15, 13, 13;
$black-sheep-light: mix(#fff, $black-sheep, 20%);
$black-sheep-dark: mix(#000, $black-sheep, 20%);

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