#F4763A

CSS

:root {
  --extreme-carrot: #f4763a;
  --extreme-carrot-rgb: 244 118 58;
  --extreme-carrot-oklch: oklch(0.704 0.171 43.9);
}

.element {
  color: var(--extreme-carrot);
  background-color: hsl(19 89% 59%);
  border-color: oklch(0.704 0.171 43.9);
}

Tailwind CSS v4

@theme {
  --color-extreme-carrot: #f4763a;
  --color-extreme-carrot-50: #ffe7cd;
  --color-extreme-carrot-100: #ffd7b8;
  --color-extreme-carrot-200: #ffbd96;
  --color-extreme-carrot-300: #ff9a69;
  --color-extreme-carrot-400: #ef7840;
  --color-extreme-carrot-500: #dd5400;
  --color-extreme-carrot-600: #bb4800;
  --color-extreme-carrot-700: #963a00;
  --color-extreme-carrot-800: #702804;
  --color-extreme-carrot-900: #4f1b04;
  --color-extreme-carrot-950: #340a00;
}

SCSS

$extreme-carrot: #f4763a;
$extreme-carrot-rgb: 244, 118, 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);
}