#FB712D

CSS

:root {
  --burning-orange: #fb712d;
  --burning-orange-rgb: 251 113 45;
  --burning-orange-oklch: oklch(0.706 0.186 43.4);
}

.element {
  color: var(--burning-orange);
  background-color: hsl(20 96% 58%);
  border-color: oklch(0.706 0.186 43.4);
}

Tailwind CSS v4

@theme {
  --color-burning-orange: #fb712d;
  --color-burning-orange-50: #ffe5c9;
  --color-burning-orange-100: #ffd5b4;
  --color-burning-orange-200: #ffbb90;
  --color-burning-orange-300: #ff9662;
  --color-burning-orange-400: #f57235;
  --color-burning-orange-500: #e44c00;
  --color-burning-orange-600: #c04200;
  --color-burning-orange-700: #9b3500;
  --color-burning-orange-800: #742400;
  --color-burning-orange-900: #521800;
  --color-burning-orange-950: #360700;
}

SCSS

$burning-orange: #fb712d;
$burning-orange-rgb: 251, 113, 45;
$burning-orange-light: mix(#fff, $burning-orange, 20%);
$burning-orange-dark: mix(#000, $burning-orange, 20%);

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