#F99C7A

CSS

:root {
  --flash-in-the-pan: #f99c7a;
  --flash-in-the-pan-rgb: 249 156 122;
  --flash-in-the-pan-oklch: oklch(0.78 0.121 40.8);
}

.element {
  color: var(--flash-in-the-pan);
  background-color: hsl(16 91% 73%);
  border-color: oklch(0.78 0.121 40.8);
}

Tailwind CSS v4

@theme {
  --color-flash-in-the-pan: #f99c7a;
  --color-flash-in-the-pan-50: #ffebda;
  --color-flash-in-the-pan-100: #ffdcc8;
  --color-flash-in-the-pan-200: #ffc4ab;
  --color-flash-in-the-pan-300: #eda385;
  --color-flash-in-the-pan-400: #db8565;
  --color-flash-in-the-pan-500: #c86743;
  --color-flash-in-the-pan-600: #a95839;
  --color-flash-in-the-pan-700: #88462d;
  --color-flash-in-the-pan-800: #653221;
  --color-flash-in-the-pan-900: #472216;
  --color-flash-in-the-pan-950: #2e1107;
}

SCSS

$flash-in-the-pan: #f99c7a;
$flash-in-the-pan-rgb: 249, 156, 122;
$flash-in-the-pan-light: mix(#fff, $flash-in-the-pan, 20%);
$flash-in-the-pan-dark: mix(#000, $flash-in-the-pan, 20%);

.element {
  color: $flash-in-the-pan;
  box-shadow: 0 0 0 2px rgba($flash-in-the-pan, 0.35);
}