#F679B0

CSS

:root {
  --pop-that-gum: #f679b0;
  --pop-that-gum-rgb: 246 121 176;
  --pop-that-gum-oklch: oklch(0.735 0.163 354.2);
}

.element {
  color: var(--pop-that-gum);
  background-color: hsl(334 87% 72%);
  border-color: oklch(0.735 0.163 354.2);
}

Tailwind CSS v4

@theme {
  --color-pop-that-gum: #f679b0;
  --color-pop-that-gum-50: #ffe2f6;
  --color-pop-that-gum-100: #ffd2e9;
  --color-pop-that-gum-200: #ffb7d6;
  --color-pop-that-gum-300: #f993ba;
  --color-pop-that-gum-400: #e671a5;
  --color-pop-that-gum-500: #d44d8d;
  --color-pop-that-gum-600: #b34277;
  --color-pop-that-gum-700: #903560;
  --color-pop-that-gum-800: #6a2548;
  --color-pop-that-gum-900: #4b1932;
  --color-pop-that-gum-950: #31091e;
}

SCSS

$pop-that-gum: #f679b0;
$pop-that-gum-rgb: 246, 121, 176;
$pop-that-gum-light: mix(#fff, $pop-that-gum, 20%);
$pop-that-gum-dark: mix(#000, $pop-that-gum, 20%);

.element {
  color: $pop-that-gum;
  box-shadow: 0 0 0 2px rgba($pop-that-gum, 0.35);
}