#F8733A

CSS

:root {
  --extreme-carrot: #f8733a;
  --extreme-carrot-rgb: 248 115 58;
  --extreme-carrot-oklch: oklch(0.706 0.178 42);
}

.element {
  color: var(--extreme-carrot);
  background-color: hsl(18 93% 60%);
  border-color: oklch(0.706 0.178 42);
}

Tailwind CSS v4

@theme {
  --color-extreme-carrot: #f8733a;
  --color-extreme-carrot-50: #ffe6cc;
  --color-extreme-carrot-100: #ffd6b8;
  --color-extreme-carrot-200: #ffbb95;
  --color-extreme-carrot-300: #ff9769;
  --color-extreme-carrot-400: #f27440;
  --color-extreme-carrot-500: #e14f00;
  --color-extreme-carrot-600: #be4400;
  --color-extreme-carrot-700: #993700;
  --color-extreme-carrot-800: #722604;
  --color-extreme-carrot-900: #511904;
  --color-extreme-carrot-950: #350900;
}

SCSS

$extreme-carrot: #f8733a;
$extreme-carrot-rgb: 248, 115, 58;
$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);
}