#AABD6D

CSS

:root {
  --around-the-gills: #aabd6d;
  --around-the-gills-rgb: 170 189 109;
  --around-the-gills-oklch: oklch(0.765 0.107 119.9);
}

.element {
  color: var(--around-the-gills);
  background-color: hsl(74 38% 58%);
  border-color: oklch(0.765 0.107 119.9);
}

Tailwind CSS v4

@theme {
  --color-around-the-gills: #aabd6d;
  --color-around-the-gills-50: #f0fbd9;
  --color-around-the-gills-100: #e2eec7;
  --color-around-the-gills-200: #ccdca9;
  --color-around-the-gills-300: #aec083;
  --color-around-the-gills-400: #96a85d;
  --color-around-the-gills-500: #7d9036;
  --color-around-the-gills-600: #6a7a2f;
  --color-around-the-gills-700: #556225;
  --color-around-the-gills-800: #3f4718;
  --color-around-the-gills-900: #2b310f;
  --color-around-the-gills-950: #191d03;
}

SCSS

$around-the-gills: #aabd6d;
$around-the-gills-rgb: 170, 189, 109;
$around-the-gills-light: mix(#fff, $around-the-gills, 20%);
$around-the-gills-dark: mix(#000, $around-the-gills, 20%);

.element {
  color: $around-the-gills;
  box-shadow: 0 0 0 2px rgba($around-the-gills, 0.35);
}