Balsamic Reduction

CSS

:root {
  --balsamic-reduction: #434340;
  --balsamic-reduction-rgb: 67 67 64;
  --balsamic-reduction-oklch: oklch(0.382 0.005 106.6);
}

.element {
  color: var(--balsamic-reduction);
  background-color: hsl(60 2% 26%);
  border-color: oklch(0.382 0.005 106.6);
}

Tailwind CSS v4

@theme {
  --color-balsamic-reduction: #434340;
  --color-balsamic-reduction-50: #f5f5f4;
  --color-balsamic-reduction-100: #e8e8e6;
  --color-balsamic-reduction-200: #d4d4d2;
  --color-balsamic-reduction-300: #b7b7b5;
  --color-balsamic-reduction-400: #9f9f9b;
  --color-balsamic-reduction-500: #868683;
  --color-balsamic-reduction-600: #72726f;
  --color-balsamic-reduction-700: #5b5b58;
  --color-balsamic-reduction-800: #424240;
  --color-balsamic-reduction-900: #2e2e2c;
  --color-balsamic-reduction-950: #1b1b19;
}

SCSS

$balsamic-reduction: #434340;
$balsamic-reduction-rgb: 67, 67, 64;
$balsamic-reduction-light: mix(#fff, $balsamic-reduction, 20%);
$balsamic-reduction-dark: mix(#000, $balsamic-reduction, 20%);

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