#AD91B5

CSS

:root {
  --metal-petal: #ad91b5;
  --metal-petal-rgb: 173 145 181;
  --metal-petal-oklch: oklch(0.694 0.061 318.7);
}

.element {
  color: var(--metal-petal);
  background-color: hsl(287 20% 64%);
  border-color: oklch(0.694 0.061 318.7);
}

Tailwind CSS v4

@theme {
  --color-metal-petal: #ad91b5;
  --color-metal-petal-50: #fdf0ff;
  --color-metal-petal-100: #f1e2f5;
  --color-metal-petal-200: #e0cce4;
  --color-metal-petal-300: #c6aecb;
  --color-metal-petal-400: #ae93b6;
  --color-metal-petal-500: #987aa0;
  --color-metal-petal-600: #806787;
  --color-metal-petal-700: #67526c;
  --color-metal-petal-800: #4b3c51;
  --color-metal-petal-900: #342938;
  --color-metal-petal-950: #1f1723;
}

SCSS

$metal-petal: #ad91b5;
$metal-petal-rgb: 173, 145, 181;
$metal-petal-light: mix(#fff, $metal-petal, 20%);
$metal-petal-dark: mix(#000, $metal-petal, 20%);

.element {
  color: $metal-petal;
  box-shadow: 0 0 0 2px rgba($metal-petal, 0.35);
}