#D04A06

CSS

:root {
  --mellow-mango: #d04a06;
  --mellow-mango-rgb: 208 74 6;
  --mellow-mango-oklch: oklch(0.587 0.181 40.3);
}

.element {
  color: var(--mellow-mango);
  background-color: hsl(20 94% 42%);
  border-color: oklch(0.587 0.181 40.3);
}

Tailwind CSS v4

@theme {
  --color-mellow-mango: #d04a06;
  --color-mellow-mango-50: #ffe5cd;
  --color-mellow-mango-100: #ffd5b8;
  --color-mellow-mango-200: #ffba96;
  --color-mellow-mango-300: #ff966a;
  --color-mellow-mango-400: #f47242;
  --color-mellow-mango-500: #e34c00;
  --color-mellow-mango-600: #c04200;
  --color-mellow-mango-700: #9a3503;
  --color-mellow-mango-800: #732406;
  --color-mellow-mango-900: #511805;
  --color-mellow-mango-950: #360800;
}

SCSS

$mellow-mango: #d04a06;
$mellow-mango-rgb: 208, 74, 6;
$mellow-mango-light: mix(#fff, $mellow-mango, 20%);
$mellow-mango-dark: mix(#000, $mellow-mango, 20%);

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