#81A19E

CSS

:root {
  --japanese-bonsai: #81a19e;
  --japanese-bonsai-rgb: 129 161 158;
  --japanese-bonsai-oklch: oklch(0.684 0.036 189.3);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(174 15% 57%);
  border-color: oklch(0.684 0.036 189.3);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #81a19e;
  --color-japanese-bonsai-50: #eaf9f7;
  --color-japanese-bonsai-100: #dbeceb;
  --color-japanese-bonsai-200: #c4d9d8;
  --color-japanese-bonsai-300: #a3bebc;
  --color-japanese-bonsai-400: #87a6a3;
  --color-japanese-bonsai-500: #6b8e8b;
  --color-japanese-bonsai-600: #5b7876;
  --color-japanese-bonsai-700: #49605e;
  --color-japanese-bonsai-800: #344744;
  --color-japanese-bonsai-900: #24312f;
  --color-japanese-bonsai-950: #131d1c;
}

SCSS

$japanese-bonsai: #81a19e;
$japanese-bonsai-rgb: 129, 161, 158;
$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);
}