#919E91

CSS

:root {
  --mother-earth: #919e91;
  --mother-earth-rgb: 145 158 145;
  --mother-earth-oklch: oklch(0.685 0.024 145.3);
}

.element {
  color: var(--mother-earth);
  background-color: hsl(120 6% 59%);
  border-color: oklch(0.685 0.024 145.3);
}

Tailwind CSS v4

@theme {
  --color-mother-earth: #919e91;
  --color-mother-earth-50: #f1f7f1;
  --color-mother-earth-100: #e3eae3;
  --color-mother-earth-200: #ced7ce;
  --color-mother-earth-300: #b0bbb0;
  --color-mother-earth-400: #96a296;
  --color-mother-earth-500: #7d8b7d;
  --color-mother-earth-600: #6a756a;
  --color-mother-earth-700: #545e54;
  --color-mother-earth-800: #3e453d;
  --color-mother-earth-900: #2a2f2a;
  --color-mother-earth-950: #181c18;
}

SCSS

$mother-earth: #919e91;
$mother-earth-rgb: 145, 158, 145;
$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);
}