#8CA08F

CSS

:root {
  --mother-earth: #8ca08f;
  --mother-earth-rgb: 140 160 143;
  --mother-earth-oklch: oklch(0.685 0.033 149.6);
}

.element {
  color: var(--mother-earth);
  background-color: hsl(129 10% 59%);
  border-color: oklch(0.685 0.033 149.6);
}

Tailwind CSS v4

@theme {
  --color-mother-earth: #8ca08f;
  --color-mother-earth-50: #eff8f0;
  --color-mother-earth-100: #e0ebe2;
  --color-mother-earth-200: #cad9cd;
  --color-mother-earth-300: #acbdaf;
  --color-mother-earth-400: #91a494;
  --color-mother-earth-500: #778d7a;
  --color-mother-earth-600: #657768;
  --color-mother-earth-700: #515f53;
  --color-mother-earth-800: #3b463c;
  --color-mother-earth-900: #283029;
  --color-mother-earth-950: #161c17;
}

SCSS

$mother-earth: #8ca08f;
$mother-earth-rgb: 140, 160, 143;
$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);
}