#1B7A5E

CSS

:root {
  --greasy-greens: #1b7a5e;
  --greasy-greens-rgb: 27 122 94;
  --greasy-greens-oklch: oklch(0.519 0.096 168.1);
}

.element {
  color: var(--greasy-greens);
  background-color: hsl(162 64% 29%);
  border-color: oklch(0.519 0.096 168.1);
}

Tailwind CSS v4

@theme {
  --color-greasy-greens: #1b7a5e;
  --color-greasy-greens-50: #dbfff1;
  --color-greasy-greens-100: #c9f3e3;
  --color-greasy-greens-200: #ace2ce;
  --color-greasy-greens-300: #84c8b0;
  --color-greasy-greens-400: #60b194;
  --color-greasy-greens-500: #359a7a;
  --color-greasy-greens-600: #2f8367;
  --color-greasy-greens-700: #256953;
  --color-greasy-greens-800: #1b4d3b;
  --color-greasy-greens-900: #123528;
  --color-greasy-greens-950: #032016;
}

SCSS

$greasy-greens: #1b7a5e;
$greasy-greens-rgb: 27, 122, 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);
}