Black Spruce

CSS

:root {
  --black-spruce: #4c5752;
  --black-spruce-rgb: 76 87 82;
  --black-spruce-oklch: oklch(0.445 0.016 166.5);
}

.element {
  color: var(--black-spruce);
  background-color: hsl(153 7% 32%);
  border-color: oklch(0.445 0.016 166.5);
}

Tailwind CSS v4

@theme {
  --color-black-spruce: #4c5752;
  --color-black-spruce-50: #f1f7f4;
  --color-black-spruce-100: #e3eae7;
  --color-black-spruce-200: #ced6d3;
  --color-black-spruce-300: #b0bab6;
  --color-black-spruce-400: #96a29c;
  --color-black-spruce-500: #7d8a84;
  --color-black-spruce-600: #6a7570;
  --color-black-spruce-700: #545d59;
  --color-black-spruce-800: #3e4441;
  --color-black-spruce-900: #2a2f2d;
  --color-black-spruce-950: #181c1a;
}

SCSS

$black-spruce: #4c5752;
$black-spruce-rgb: 76, 87, 82;
$black-spruce-light: mix(#fff, $black-spruce, 20%);
$black-spruce-dark: mix(#000, $black-spruce, 20%);

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