#8AA08E

CSS

:root {
  --mother-earth: #8aa08e;
  --mother-earth-rgb: 138 160 142;
  --mother-earth-oklch: oklch(0.683 0.036 150.6);
}

.element {
  color: var(--mother-earth);
  background-color: hsl(131 10% 58%);
  border-color: oklch(0.683 0.036 150.6);
}

Tailwind CSS v4

@theme {
  --color-mother-earth: #8aa08e;
  --color-mother-earth-50: #eef8f0;
  --color-mother-earth-100: #dfece2;
  --color-mother-earth-200: #c9d9cd;
  --color-mother-earth-300: #aabdaf;
  --color-mother-earth-400: #90a594;
  --color-mother-earth-500: #768d7a;
  --color-mother-earth-600: #647867;
  --color-mother-earth-700: #506053;
  --color-mother-earth-800: #3a463c;
  --color-mother-earth-900: #283029;
  --color-mother-earth-950: #161d17;
}

SCSS

$mother-earth: #8aa08e;
$mother-earth-rgb: 138, 160, 142;
$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);
}