#FB712F

CSS

:root {
  --extreme-carrot: #fb712f;
  --extreme-carrot-rgb: 251 113 47;
  --extreme-carrot-oklch: oklch(0.706 0.185 43.1);
}

.element {
  color: var(--extreme-carrot);
  background-color: hsl(19 96% 58%);
  border-color: oklch(0.706 0.185 43.1);
}

Tailwind CSS v4

@theme {
  --color-extreme-carrot: #fb712f;
  --color-extreme-carrot-50: #ffe5ca;
  --color-extreme-carrot-100: #ffd5b5;
  --color-extreme-carrot-200: #ffbb91;
  --color-extreme-carrot-300: #ff9663;
  --color-extreme-carrot-400: #f57236;
  --color-extreme-carrot-500: #e44c00;
  --color-extreme-carrot-600: #c04200;
  --color-extreme-carrot-700: #9b3500;
  --color-extreme-carrot-800: #742400;
  --color-extreme-carrot-900: #521800;
  --color-extreme-carrot-950: #360700;
}

SCSS

$extreme-carrot: #fb712f;
$extreme-carrot-rgb: 251, 113, 47;
$extreme-carrot-light: mix(#fff, $extreme-carrot, 20%);
$extreme-carrot-dark: mix(#000, $extreme-carrot, 20%);

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