#007B5E

CSS

:root {
  --greasy-greens: #007b5e;
  --greasy-greens-rgb: 0 123 94;
  --greasy-greens-oklch: oklch(0.518 0.104 169);
}

.element {
  color: var(--greasy-greens);
  background-color: hsl(166 100% 24%);
  border-color: oklch(0.518 0.104 169);
}

Tailwind CSS v4

@theme {
  --color-greasy-greens: #007b5e;
  --color-greasy-greens-50: #d9fff1;
  --color-greasy-greens-100: #c6f4e3;
  --color-greasy-greens-200: #a8e3ce;
  --color-greasy-greens-300: #7ec9b0;
  --color-greasy-greens-400: #58b294;
  --color-greasy-greens-500: #259c7a;
  --color-greasy-greens-600: #238468;
  --color-greasy-greens-700: #1c6a53;
  --color-greasy-greens-800: #144e3b;
  --color-greasy-greens-900: #0d3628;
  --color-greasy-greens-950: #012116;
}

SCSS

$greasy-greens: #007b5e;
$greasy-greens-rgb: 0, 123, 94;
$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);
}