The Killing Joke

CSS

:root {
  --the-killing-joke: #b0bf1a;
  --the-killing-joke-rgb: 176 191 26;
  --the-killing-joke-oklch: oklch(0.767 0.169 115.4);
}

.element {
  color: var(--the-killing-joke);
  background-color: hsl(65 76% 43%);
  border-color: oklch(0.767 0.169 115.4);
}

Tailwind CSS v4

@theme {
  --color-the-killing-joke: #b0bf1a;
  --color-the-killing-joke-50: #f1fcc6;
  --color-the-killing-joke-100: #e3f0b0;
  --color-the-killing-joke-200: #cede89;
  --color-the-killing-joke-300: #b1c356;
  --color-the-killing-joke-400: #9ba900;
  --color-the-killing-joke-500: #849100;
  --color-the-killing-joke-600: #6f7b00;
  --color-the-killing-joke-700: #596200;
  --color-the-killing-joke-800: #434700;
  --color-the-killing-joke-900: #2e3100;
  --color-the-killing-joke-950: #1b1d00;
}

SCSS

$the-killing-joke: #b0bf1a;
$the-killing-joke-rgb: 176, 191, 26;
$the-killing-joke-light: mix(#fff, $the-killing-joke, 20%);
$the-killing-joke-dark: mix(#000, $the-killing-joke, 20%);

.element {
  color: $the-killing-joke;
  box-shadow: 0 0 0 2px rgba($the-killing-joke, 0.35);
}