#8E9F8C

CSS

:root {
  --mother-earth: #8e9f8c;
  --mother-earth-rgb: 142 159 140;
  --mother-earth-oklch: oklch(0.684 0.034 142.3);
}

.element {
  color: var(--mother-earth);
  background-color: hsl(114 9% 59%);
  border-color: oklch(0.684 0.034 142.3);
}

Tailwind CSS v4

@theme {
  --color-mother-earth: #8e9f8c;
  --color-mother-earth-50: #f0f8ef;
  --color-mother-earth-100: #e1ebe1;
  --color-mother-earth-200: #ccd8cb;
  --color-mother-earth-300: #adbcad;
  --color-mother-earth-400: #94a492;
  --color-mother-earth-500: #7a8c78;
  --color-mother-earth-600: #677765;
  --color-mother-earth-700: #525f51;
  --color-mother-earth-800: #3c453a;
  --color-mother-earth-900: #293028;
  --color-mother-earth-950: #171c16;
}

SCSS

$mother-earth: #8e9f8c;
$mother-earth-rgb: 142, 159, 140;
$mother-earth-light: mix(#fff, $mother-earth, 20%);
$mother-earth-dark: mix(#000, $mother-earth, 20%);

.element {
  color: $mother-earth;
  box-shadow: 0 0 0 2px rgba($mother-earth, 0.35);
}