#F57632

CSS

:root {
  --orange-crush: #f57632;
  --orange-crush-rgb: 245 118 50;
  --orange-crush-oklch: oklch(0.705 0.174 45.5);
}

.element {
  color: var(--orange-crush);
  background-color: hsl(21 91% 58%);
  border-color: oklch(0.705 0.174 45.5);
}

Tailwind CSS v4

@theme {
  --color-orange-crush: #f57632;
  --color-orange-crush-50: #ffe7cb;
  --color-orange-crush-100: #ffd7b6;
  --color-orange-crush-200: #ffbd93;
  --color-orange-crush-300: #ff9a65;
  --color-orange-crush-400: #f07739;
  --color-orange-crush-500: #de5400;
  --color-orange-crush-600: #bb4800;
  --color-orange-crush-700: #973900;
  --color-orange-crush-800: #712800;
  --color-orange-crush-900: #501b01;
  --color-orange-crush-950: #350a00;
}

SCSS

$orange-crush: #f57632;
$orange-crush-rgb: 245, 118, 50;
$orange-crush-light: mix(#fff, $orange-crush, 20%);
$orange-crush-dark: mix(#000, $orange-crush, 20%);

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