#E0E9DF

CSS

:root {
  --hint-of-green: #e0e9df;
  --hint-of-green-rgb: 224 233 223;
  --hint-of-green-oklch: oklch(0.924 0.016 142.6);
}

.element {
  color: var(--hint-of-green);
  background-color: hsl(114 19% 89%);
  border-color: oklch(0.924 0.016 142.6);
}

Tailwind CSS v4

@theme {
  --color-hint-of-green: #e0e9df;
  --color-hint-of-green-50: #f2f6f2;
  --color-hint-of-green-100: #e5e9e4;
  --color-hint-of-green-200: #d0d6d0;
  --color-hint-of-green-300: #b2bab2;
  --color-hint-of-green-400: #99a198;
  --color-hint-of-green-500: #80897f;
  --color-hint-of-green-600: #6c746c;
  --color-hint-of-green-700: #575d56;
  --color-hint-of-green-800: #3f443e;
  --color-hint-of-green-900: #2c2f2b;
  --color-hint-of-green-950: #191b18;
}

SCSS

$hint-of-green: #e0e9df;
$hint-of-green-rgb: 224, 233, 223;
$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);
}