#7AA399

CSS

:root {
  --japanese-bonsai: #7aa399;
  --japanese-bonsai-rgb: 122 163 153;
  --japanese-bonsai-oklch: oklch(0.683 0.047 178.1);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(165 18% 56%);
  border-color: oklch(0.683 0.047 178.1);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #7aa399;
  --color-japanese-bonsai-50: #e8faf6;
  --color-japanese-bonsai-100: #d8ede8;
  --color-japanese-bonsai-200: #c0dbd5;
  --color-japanese-bonsai-300: #9ec0b8;
  --color-japanese-bonsai-400: #81a89e;
  --color-japanese-bonsai-500: #649186;
  --color-japanese-bonsai-600: #557a72;
  --color-japanese-bonsai-700: #44625b;
  --color-japanese-bonsai-800: #314842;
  --color-japanese-bonsai-900: #21322d;
  --color-japanese-bonsai-950: #101e1a;
}

SCSS

$japanese-bonsai: #7aa399;
$japanese-bonsai-rgb: 122, 163, 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);
}