#7CA299

CSS

:root {
  --japanese-bonsai: #7ca299;
  --japanese-bonsai-rgb: 124 162 153;
  --japanese-bonsai-oklch: oklch(0.681 0.044 178.8);
}

.element {
  color: var(--japanese-bonsai);
  background-color: hsl(166 17% 56%);
  border-color: oklch(0.681 0.044 178.8);
}

Tailwind CSS v4

@theme {
  --color-japanese-bonsai: #7ca299;
  --color-japanese-bonsai-50: #e9faf6;
  --color-japanese-bonsai-100: #d9ede8;
  --color-japanese-bonsai-200: #c1dbd5;
  --color-japanese-bonsai-300: #a0bfb8;
  --color-japanese-bonsai-400: #83a79f;
  --color-japanese-bonsai-500: #669086;
  --color-japanese-bonsai-600: #577a72;
  --color-japanese-bonsai-700: #45625b;
  --color-japanese-bonsai-800: #324842;
  --color-japanese-bonsai-900: #22322d;
  --color-japanese-bonsai-950: #111d1a;
}

SCSS

$japanese-bonsai: #7ca299;
$japanese-bonsai-rgb: 124, 162, 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);
}