#ABBD70

CSS

:root {
  --around-the-gills: #abbd70;
  --around-the-gills-rgb: 171 189 112;
  --around-the-gills-oklch: oklch(0.767 0.103 119.6);
}

.element {
  color: var(--around-the-gills);
  background-color: hsl(74 37% 59%);
  border-color: oklch(0.767 0.103 119.6);
}

Tailwind CSS v4

@theme {
  --color-around-the-gills: #abbd70;
  --color-around-the-gills-50: #f0fada;
  --color-around-the-gills-100: #e2eec8;
  --color-around-the-gills-200: #cddcab;
  --color-around-the-gills-300: #afc084;
  --color-around-the-gills-400: #97a760;
  --color-around-the-gills-500: #7e903a;
  --color-around-the-gills-600: #6b7a32;
  --color-around-the-gills-700: #556128;
  --color-around-the-gills-800: #3f471a;
  --color-around-the-gills-900: #2c3111;
  --color-around-the-gills-950: #191d04;
}

SCSS

$around-the-gills: #abbd70;
$around-the-gills-rgb: 171, 189, 112;
$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);
}