#F68873

CSS

:root {
  --in-for-a-penny: #f68873;
  --in-for-a-penny-rgb: 246 136 115;
  --in-for-a-penny-oklch: oklch(0.742 0.138 31.9);
}

.element {
  color: var(--in-for-a-penny);
  background-color: hsl(10 88% 71%);
  border-color: oklch(0.742 0.138 31.9);
}

Tailwind CSS v4

@theme {
  --color-in-for-a-penny: #f68873;
  --color-in-for-a-penny-50: #ffe8db;
  --color-in-for-a-penny-100: #ffd8ca;
  --color-in-for-a-penny-200: #ffbfad;
  --color-in-for-a-penny-300: #f59d88;
  --color-in-for-a-penny-400: #e47d69;
  --color-in-for-a-penny-500: #d25d48;
  --color-in-for-a-penny-600: #b14f3e;
  --color-in-for-a-penny-700: #8e3f31;
  --color-in-for-a-penny-800: #6a2d24;
  --color-in-for-a-penny-900: #4b1e18;
  --color-in-for-a-penny-950: #310e09;
}

SCSS

$in-for-a-penny: #f68873;
$in-for-a-penny-rgb: 246, 136, 115;
$in-for-a-penny-light: mix(#fff, $in-for-a-penny, 20%);
$in-for-a-penny-dark: mix(#000, $in-for-a-penny, 20%);

.element {
  color: $in-for-a-penny;
  box-shadow: 0 0 0 2px rgba($in-for-a-penny, 0.35);
}