Black Mesa

CSS

:root {
  --black-mesa: #222211;
  --black-mesa-rgb: 34 34 17;
  --black-mesa-oklch: oklch(0.247 0.03 108.4);
}

.element {
  color: var(--black-mesa);
  background-color: hsl(60 33% 10%);
  border-color: oklch(0.247 0.03 108.4);
}

Tailwind CSS v4

@theme {
  --color-black-mesa: #222211;
  --color-black-mesa-50: #f5f6ed;
  --color-black-mesa-100: #e8e9de;
  --color-black-mesa-200: #d4d6c7;
  --color-black-mesa-300: #b8b9a8;
  --color-black-mesa-400: #a0a08c;
  --color-black-mesa-500: #878872;
  --color-black-mesa-600: #737360;
  --color-black-mesa-700: #5c5c4d;
  --color-black-mesa-800: #434337;
  --color-black-mesa-900: #2f2e26;
  --color-black-mesa-950: #1b1b14;
}

SCSS

$black-mesa: #222211;
$black-mesa-rgb: 34, 34, 17;
$black-mesa-light: mix(#fff, $black-mesa, 20%);
$black-mesa-dark: mix(#000, $black-mesa, 20%);

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