#C04E00

CSS

:root {
  --dark-orange: #c04e00;
  --dark-orange-rgb: 192 78 0;
  --dark-orange-oklch: oklch(0.566 0.162 44.8);
}

.element {
  color: var(--dark-orange);
  background-color: hsl(24 100% 38%);
  border-color: oklch(0.566 0.162 44.8);
}

Tailwind CSS v4

@theme {
  --color-dark-orange: #c04e00;
  --color-dark-orange-50: #ffe8ce;
  --color-dark-orange-100: #ffd8ba;
  --color-dark-orange-200: #ffbf98;
  --color-dark-orange-300: #fb9c6c;
  --color-dark-orange-400: #eb7b45;
  --color-dark-orange-500: #d95900;
  --color-dark-orange-600: #b74c08;
  --color-dark-orange-700: #933d08;
  --color-dark-orange-800: #6e2a08;
  --color-dark-orange-900: #4e1d06;
  --color-dark-orange-950: #330c00;
}

SCSS

$dark-orange: #c04e00;
$dark-orange-rgb: 192, 78, 0;
$dark-orange-light: mix(#fff, $dark-orange, 20%);
$dark-orange-dark: mix(#000, $dark-orange, 20%);

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