#4F664D

CSS

:root {
  --muddy-olive: #4f664d;
  --muddy-olive-rgb: 79 102 77;
  --muddy-olive-oklch: oklch(0.484 0.048 142.7);
}

.element {
  color: var(--muddy-olive);
  background-color: hsl(115 14% 35%);
  border-color: oklch(0.484 0.048 142.7);
}

Tailwind CSS v4

@theme {
  --color-muddy-olive: #4f664d;
  --color-muddy-olive-50: #edf9ed;
  --color-muddy-olive-100: #dfecde;
  --color-muddy-olive-200: #c8dac8;
  --color-muddy-olive-300: #a9bea9;
  --color-muddy-olive-400: #8ea68c;
  --color-muddy-olive-500: #748f72;
  --color-muddy-olive-600: #627960;
  --color-muddy-olive-700: #4e614d;
  --color-muddy-olive-800: #394737;
  --color-muddy-olive-900: #273126;
  --color-muddy-olive-950: #151d14;
}

SCSS

$muddy-olive: #4f664d;
$muddy-olive-rgb: 79, 102, 77;
$muddy-olive-light: mix(#fff, $muddy-olive, 20%);
$muddy-olive-dark: mix(#000, $muddy-olive, 20%);

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