#89A096

CSS

:root {
  --japanese-bonsai: #89a096;
  --japanese-bonsai-rgb: 137 160 150;
  --japanese-bonsai-oklch: oklch(0.685 0.03 167.4);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(154 11% 58%);
  border-color: oklch(0.685 0.03 167.4);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #89a096;
  --color-japanese-bonsai-50: #edf8f4;
  --color-japanese-bonsai-100: #dfebe6;
  --color-japanese-bonsai-200: #c9d9d2;
  --color-japanese-bonsai-300: #a9bdb5;
  --color-japanese-bonsai-400: #8ea49b;
  --color-japanese-bonsai-500: #748d82;
  --color-japanese-bonsai-600: #62776e;
  --color-japanese-bonsai-700: #4e5f58;
  --color-japanese-bonsai-800: #394640;
  --color-japanese-bonsai-900: #27302c;
  --color-japanese-bonsai-950: #151d19;
}

SCSS

$japanese-bonsai: #89a096;
$japanese-bonsai-rgb: 137, 160, 150;
$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);
}