#86A099

CSS

:root {
  --japanese-bonsai: #86a099;
  --japanese-bonsai-rgb: 134 160 153;
  --japanese-bonsai-oklch: oklch(0.684 0.031 177.3);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(164 12% 58%);
  border-color: oklch(0.684 0.031 177.3);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #86a099;
  --color-japanese-bonsai-50: #ecf8f5;
  --color-japanese-bonsai-100: #deebe8;
  --color-japanese-bonsai-200: #c7d9d4;
  --color-japanese-bonsai-300: #a7bdb8;
  --color-japanese-bonsai-400: #8ca59e;
  --color-japanese-bonsai-500: #718d86;
  --color-japanese-bonsai-600: #607771;
  --color-japanese-bonsai-700: #4c605b;
  --color-japanese-bonsai-800: #384642;
  --color-japanese-bonsai-900: #26302d;
  --color-japanese-bonsai-950: #141d1a;
}

SCSS

$japanese-bonsai: #86a099;
$japanese-bonsai-rgb: 134, 160, 153;
$japanese-bonsai-light: mix(#fff, $japanese-bonsai, 20%);
$japanese-bonsai-dark: mix(#000, $japanese-bonsai, 20%);

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