#1E7A5A

CSS

:root {
  --greasy-greens: #1e7a5a;
  --greasy-greens-rgb: 30 122 90;
  --greasy-greens-oklch: oklch(0.518 0.098 164.9);
}

.element {
  color: var(--greasy-greens);
  background-color: hsl(159 61% 30%);
  border-color: oklch(0.518 0.098 164.9);
}

Tailwind CSS v4

@theme {
  --color-greasy-greens: #1e7a5a;
  --color-greasy-greens-50: #dcffef;
  --color-greasy-greens-100: #caf3e1;
  --color-greasy-greens-200: #ace2cb;
  --color-greasy-greens-300: #85c8ad;
  --color-greasy-greens-400: #62b190;
  --color-greasy-greens-500: #379b76;
  --color-greasy-greens-600: #318364;
  --color-greasy-greens-700: #276950;
  --color-greasy-greens-800: #1c4d38;
  --color-greasy-greens-900: #123527;
  --color-greasy-greens-950: #042115;
}

SCSS

$greasy-greens: #1e7a5a;
$greasy-greens-rgb: 30, 122, 90;
$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);
}