#84A197

CSS

:root {
  --japanese-bonsai: #84a197;
  --japanese-bonsai-rgb: 132 161 151;
  --japanese-bonsai-oklch: oklch(0.684 0.035 172.3);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(159 13% 57%);
  border-color: oklch(0.684 0.035 172.3);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #84a197;
  --color-japanese-bonsai-50: #ebf9f4;
  --color-japanese-bonsai-100: #ddece7;
  --color-japanese-bonsai-200: #c6d9d3;
  --color-japanese-bonsai-300: #a6beb6;
  --color-japanese-bonsai-400: #8aa69c;
  --color-japanese-bonsai-500: #6f8e84;
  --color-japanese-bonsai-600: #5e786f;
  --color-japanese-bonsai-700: #4b6059;
  --color-japanese-bonsai-800: #364740;
  --color-japanese-bonsai-900: #25312c;
  --color-japanese-bonsai-950: #141d1a;
}

SCSS

$japanese-bonsai: #84a197;
$japanese-bonsai-rgb: 132, 161, 151;
$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);
}