#FF6C00

CSS

:root {
  --flush-orange: #ff6c00;
  --flush-orange-rgb: 255 108 0;
  --flush-orange-oklch: oklch(0.704 0.2 45.4);
}

.element {
  color: var(--flush-orange);
  background-color: hsl(25 100% 50%);
  border-color: oklch(0.704 0.2 45.4);
}

Tailwind CSS v4

@theme {
  --color-flush-orange: #ff6c00;
  --color-flush-orange-50: #ffe5c4;
  --color-flush-orange-100: #ffd4ae;
  --color-flush-orange-200: #ffb988;
  --color-flush-orange-300: #ff9455;
  --color-flush-orange-400: #fa6f1b;
  --color-flush-orange-500: #e94500;
  --color-flush-orange-600: #c43d00;
  --color-flush-orange-700: #9e3100;
  --color-flush-orange-800: #772100;
  --color-flush-orange-900: #541600;
  --color-flush-orange-950: #380500;
}

SCSS

$flush-orange: #ff6c00;
$flush-orange-rgb: 255, 108, 0;
$flush-orange-light: mix(#fff, $flush-orange, 20%);
$flush-orange-dark: mix(#000, $flush-orange, 20%);

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