Halt and Catch Fire

CSS

:root {
  --halt-and-catch-fire: #ff6633;
  --halt-and-catch-fire-rgb: 255 102 51;
  --halt-and-catch-fire-oklch: oklch(0.698 0.197 38);
}

.element {
  color: var(--halt-and-catch-fire);
  background-color: hsl(15 100% 60%);
  border-color: oklch(0.698 0.197 38);
}

Tailwind CSS v4

@theme {
  --color-halt-and-catch-fire: #ff6633;
  --color-halt-and-catch-fire-50: #ffe3cb;
  --color-halt-and-catch-fire-100: #ffd2b6;
  --color-halt-and-catch-fire-200: #ffb793;
  --color-halt-and-catch-fire-300: #ff9166;
  --color-halt-and-catch-fire-400: #fc6b3c;
  --color-halt-and-catch-fire-500: #eb4000;
  --color-halt-and-catch-fire-600: #c63800;
  --color-halt-and-catch-fire-700: #9f2d00;
  --color-halt-and-catch-fire-800: #771e02;
  --color-halt-and-catch-fire-900: #541402;
  --color-halt-and-catch-fire-950: #380400;
}

SCSS

$halt-and-catch-fire: #ff6633;
$halt-and-catch-fire-rgb: 255, 102, 51;
$halt-and-catch-fire-light: mix(#fff, $halt-and-catch-fire, 20%);
$halt-and-catch-fire-dark: mix(#000, $halt-and-catch-fire, 20%);

.element {
  color: $halt-and-catch-fire;
  box-shadow: 0 0 0 2px rgba($halt-and-catch-fire, 0.35);
}