#FF919A

CSS

:root {
  --pick-your-brain: #ff919a;
  --pick-your-brain-rgb: 255 145 154;
  --pick-your-brain-oklch: oklch(0.776 0.133 15.4);
}

.element {
  color: var(--pick-your-brain);
  background-color: hsl(355 100% 78%);
  border-color: oklch(0.776 0.133 15.4);
}

Tailwind CSS v4

@theme {
  --color-pick-your-brain: #ff919a;
  --color-pick-your-brain-50: #ffe7e7;
  --color-pick-your-brain-100: #ffd7d8;
  --color-pick-your-brain-200: #ffbebf;
  --color-pick-your-brain-300: #f49b9e;
  --color-pick-your-brain-400: #e17c84;
  --color-pick-your-brain-500: #cf5c69;
  --color-pick-your-brain-600: #af4e59;
  --color-pick-your-brain-700: #8c3e47;
  --color-pick-your-brain-800: #682c35;
  --color-pick-your-brain-900: #491e24;
  --color-pick-your-brain-950: #300d13;
}

SCSS

$pick-your-brain: #ff919a;
$pick-your-brain-rgb: 255, 145, 154;
$pick-your-brain-light: mix(#fff, $pick-your-brain, 20%);
$pick-your-brain-dark: mix(#000, $pick-your-brain, 20%);

.element {
  color: $pick-your-brain;
  box-shadow: 0 0 0 2px rgba($pick-your-brain, 0.35);
}