#FF6E23

CSS

:root {
  --burning-orange: #ff6e23;
  --burning-orange-rgb: 255 110 35;
  --burning-orange-oklch: oklch(0.707 0.194 43.3);
}

.element {
  color: var(--burning-orange);
  background-color: hsl(20 100% 57%);
  border-color: oklch(0.707 0.194 43.3);
}

Tailwind CSS v4

@theme {
  --color-burning-orange: #ff6e23;
  --color-burning-orange-50: #ffe5c7;
  --color-burning-orange-100: #ffd4b2;
  --color-burning-orange-200: #ffb98d;
  --color-burning-orange-300: #ff945d;
  --color-burning-orange-400: #f86f2c;
  --color-burning-orange-500: #e74700;
  --color-burning-orange-600: #c33e00;
  --color-burning-orange-700: #9d3100;
  --color-burning-orange-800: #762100;
  --color-burning-orange-900: #531600;
  --color-burning-orange-950: #370600;
}

SCSS

$burning-orange: #ff6e23;
$burning-orange-rgb: 255, 110, 35;
$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);
}