#7DA298

CSS

:root {
  --japanese-bonsai: #7da298;
  --japanese-bonsai-rgb: 125 162 152;
  --japanese-bonsai-oklch: oklch(0.682 0.043 176.6);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(164 17% 56%);
  border-color: oklch(0.682 0.043 176.6);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #7da298;
  --color-japanese-bonsai-50: #e9f9f5;
  --color-japanese-bonsai-100: #d9ede8;
  --color-japanese-bonsai-200: #c2dbd4;
  --color-japanese-bonsai-300: #a1bfb7;
  --color-japanese-bonsai-400: #84a79e;
  --color-japanese-bonsai-500: #679085;
  --color-japanese-bonsai-600: #587a71;
  --color-japanese-bonsai-700: #46615a;
  --color-japanese-bonsai-800: #334741;
  --color-japanese-bonsai-900: #22312d;
  --color-japanese-bonsai-950: #111d1a;
}

SCSS

$japanese-bonsai: #7da298;
$japanese-bonsai-rgb: 125, 162, 152;
$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);
}