#00120A

CSS

:root {
  --jedi-night: #00120a;
  --jedi-night-rgb: 0 18 10;
  --jedi-night-oklch: oklch(0.161 0.034 165.5);
}

.element {
  color: var(--jedi-night);
  background-color: hsl(153 100% 4%);
  border-color: oklch(0.161 0.034 165.5);
}

Tailwind CSS v4

@theme {
  --color-jedi-night: #00120a;
  --color-jedi-night-50: #edf8f3;
  --color-jedi-night-100: #deece5;
  --color-jedi-night-200: #c7d9d1;
  --color-jedi-night-300: #a8bdb4;
  --color-jedi-night-400: #8da59a;
  --color-jedi-night-500: #728e81;
  --color-jedi-night-600: #60786d;
  --color-jedi-night-700: #4d6057;
  --color-jedi-night-800: #38463f;
  --color-jedi-night-900: #26312b;
  --color-jedi-night-950: #151d19;
}

SCSS

$jedi-night: #00120a;
$jedi-night-rgb: 0, 18, 10;
$jedi-night-light: mix(#fff, $jedi-night, 20%);
$jedi-night-dark: mix(#000, $jedi-night, 20%);

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