#DFE9DB

CSS

:root {
  --hint-of-green: #dfe9db;
  --hint-of-green-rgb: 223 233 219;
  --hint-of-green-oklch: oklch(0.923 0.022 136.6);
}

.element {
  color: var(--hint-of-green);
  background-color: hsl(103 24% 89%);
  border-color: oklch(0.923 0.022 136.6);
}

Tailwind CSS v4

@theme {
  --color-hint-of-green: #dfe9db;
  --color-hint-of-green-50: #f2f7f1;
  --color-hint-of-green-100: #e4eae3;
  --color-hint-of-green-200: #d0d7ce;
  --color-hint-of-green-300: #b2bab0;
  --color-hint-of-green-400: #99a295;
  --color-hint-of-green-500: #808a7c;
  --color-hint-of-green-600: #6c7569;
  --color-hint-of-green-700: #565d54;
  --color-hint-of-green-800: #3f443d;
  --color-hint-of-green-900: #2c2f2a;
  --color-hint-of-green-950: #191c17;
}

SCSS

$hint-of-green: #dfe9db;
$hint-of-green-rgb: 223, 233, 219;
$hint-of-green-light: mix(#fff, $hint-of-green, 20%);
$hint-of-green-dark: mix(#000, $hint-of-green, 20%);

.element {
  color: $hint-of-green;
  box-shadow: 0 0 0 2px rgba($hint-of-green, 0.35);
}