#CB4E15

CSS

:root {
  --mellow-mango: #cb4e15;
  --mellow-mango-rgb: 203 78 21;
  --mellow-mango-oklch: oklch(0.585 0.171 40.8);
}

.element {
  color: var(--mellow-mango);
  background-color: hsl(19 81% 44%);
  border-color: oklch(0.585 0.171 40.8);
}

Tailwind CSS v4

@theme {
  --color-mellow-mango: #cb4e15;
  --color-mellow-mango-50: #ffe6cf;
  --color-mellow-mango-100: #ffd6bb;
  --color-mellow-mango-200: #ffbc99;
  --color-mellow-mango-300: #ff986e;
  --color-mellow-mango-400: #f07648;
  --color-mellow-mango-500: #de520a;
  --color-mellow-mango-600: #bc4710;
  --color-mellow-mango-700: #97380e;
  --color-mellow-mango-800: #71270c;
  --color-mellow-mango-900: #501a07;
  --color-mellow-mango-950: #350a00;
}

SCSS

$mellow-mango: #cb4e15;
$mellow-mango-rgb: 203, 78, 21;
$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);
}