#C84D13

CSS

:root {
  --mellow-mango: #c84d13;
  --mellow-mango-rgb: 200 77 19;
  --mellow-mango-oklch: oklch(0.578 0.169 41.1);
}

.element {
  color: var(--mellow-mango);
  background-color: hsl(19 83% 43%);
  border-color: oklch(0.578 0.169 41.1);
}

Tailwind CSS v4

@theme {
  --color-mellow-mango: #c84d13;
  --color-mellow-mango-50: #ffe6cf;
  --color-mellow-mango-100: #ffd6bb;
  --color-mellow-mango-200: #ffbd9a;
  --color-mellow-mango-300: #ff996e;
  --color-mellow-mango-400: #ef7748;
  --color-mellow-mango-500: #dd530d;
  --color-mellow-mango-600: #bb4811;
  --color-mellow-mango-700: #96390e;
  --color-mellow-mango-800: #70280c;
  --color-mellow-mango-900: #4f1b08;
  --color-mellow-mango-950: #340a00;
}

SCSS

$mellow-mango: #c84d13;
$mellow-mango-rgb: 200, 77, 19;
$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);
}