#FC7039

CSS

:root {
  --carrot: #fc7039;
  --carrot-rgb: 252 112 57;
  --carrot-oklch: oklch(0.707 0.184 40.5);
}

.element {
  color: var(--carrot);
  background-color: hsl(17 97% 61%);
  border-color: oklch(0.707 0.184 40.5);
}

Tailwind CSS v4

@theme {
  --color-carrot: #fc7039;
  --color-carrot-50: #ffe5cc;
  --color-carrot-100: #ffd4b7;
  --color-carrot-200: #ffba95;
  --color-carrot-300: #ff9567;
  --color-carrot-400: #f6713e;
  --color-carrot-500: #e44a00;
  --color-carrot-600: #c14000;
  --color-carrot-700: #9b3400;
  --color-carrot-800: #742303;
  --color-carrot-900: #521803;
  --color-carrot-950: #360700;
}

SCSS

$carrot: #fc7039;
$carrot-rgb: 252, 112, 57;
$carrot-light: mix(#fff, $carrot, 20%);
$carrot-dark: mix(#000, $carrot, 20%);

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