#167A5D

CSS

:root {
  --greasy-greens: #167a5d;
  --greasy-greens-rgb: 22 122 93;
  --greasy-greens-oklch: oklch(0.518 0.099 167.8);
}

.element {
  color: var(--greasy-greens);
  background-color: hsl(163 69% 28%);
  border-color: oklch(0.518 0.099 167.8);
}

Tailwind CSS v4

@theme {
  --color-greasy-greens: #167a5d;
  --color-greasy-greens-50: #dbfff1;
  --color-greasy-greens-100: #c8f3e3;
  --color-greasy-greens-200: #abe2ce;
  --color-greasy-greens-300: #83c8af;
  --color-greasy-greens-400: #5eb193;
  --color-greasy-greens-500: #319b79;
  --color-greasy-greens-600: #2c8367;
  --color-greasy-greens-700: #236952;
  --color-greasy-greens-800: #194d3a;
  --color-greasy-greens-900: #113628;
  --color-greasy-greens-950: #032116;
}

SCSS

$greasy-greens: #167a5d;
$greasy-greens-rgb: 22, 122, 93;
$greasy-greens-light: mix(#fff, $greasy-greens, 20%);
$greasy-greens-dark: mix(#000, $greasy-greens, 20%);

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