#FB91A1

CSS

:root {
  --pick-your-brain: #fb91a1;
  --pick-your-brain-rgb: 251 145 161;
  --pick-your-brain-oklch: oklch(0.773 0.129 10.8);
}

.element {
  color: var(--pick-your-brain);
  background-color: hsl(351 93% 78%);
  border-color: oklch(0.773 0.129 10.8);
}

Tailwind CSS v4

@theme {
  --color-pick-your-brain: #fb91a1;
  --color-pick-your-brain-50: #ffe7eb;
  --color-pick-your-brain-100: #ffd7dc;
  --color-pick-your-brain-200: #ffbec5;
  --color-pick-your-brain-300: #f19ca5;
  --color-pick-your-brain-400: #df7d8c;
  --color-pick-your-brain-500: #cc5d71;
  --color-pick-your-brain-600: #ac4f60;
  --color-pick-your-brain-700: #8a3f4d;
  --color-pick-your-brain-800: #672d39;
  --color-pick-your-brain-900: #481e27;
  --color-pick-your-brain-950: #2f0e15;
}

SCSS

$pick-your-brain: #fb91a1;
$pick-your-brain-rgb: 251, 145, 161;
$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);
}