Black Pool

CSS

:root {
  --black-pool: #4f5552;
  --black-pool-rgb: 79 85 82;
  --black-pool-oklch: oklch(0.443 0.009 164.6);
}

.element {
  color: var(--black-pool);
  background-color: hsl(150 4% 32%);
  border-color: oklch(0.443 0.009 164.6);
}

Tailwind CSS v4

@theme {
  --color-black-pool: #4f5552;
  --color-black-pool-50: #f3f6f4;
  --color-black-pool-100: #e5e9e7;
  --color-black-pool-200: #d1d5d3;
  --color-black-pool-300: #b3b9b6;
  --color-black-pool-400: #9aa09d;
  --color-black-pool-500: #818885;
  --color-black-pool-600: #6d7370;
  --color-black-pool-700: #575c5a;
  --color-black-pool-800: #404341;
  --color-black-pool-900: #2c2e2d;
  --color-black-pool-950: #191b1a;
}

SCSS

$black-pool: #4f5552;
$black-pool-rgb: 79, 85, 82;
$black-pool-light: mix(#fff, $black-pool, 20%);
$black-pool-dark: mix(#000, $black-pool, 20%);

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