#A5BA6C

CSS

:root {
  --around-the-gills: #a5ba6c;
  --around-the-gills-rgb: 165 186 108;
  --around-the-gills-oklch: oklch(0.755 0.106 121.3);
}

.element {
  color: var(--around-the-gills);
  background-color: hsl(76 36% 58%);
  border-color: oklch(0.755 0.106 121.3);
}

Tailwind CSS v4

@theme {
  --color-around-the-gills: #a5ba6c;
  --color-around-the-gills-50: #effbda;
  --color-around-the-gills-100: #e1eec8;
  --color-around-the-gills-200: #cbdcab;
  --color-around-the-gills-300: #adc184;
  --color-around-the-gills-400: #95a85f;
  --color-around-the-gills-500: #7c9139;
  --color-around-the-gills-600: #697a32;
  --color-around-the-gills-700: #546227;
  --color-around-the-gills-800: #3e471a;
  --color-around-the-gills-900: #2b3110;
  --color-around-the-gills-950: #181d04;
}

SCSS

$around-the-gills: #a5ba6c;
$around-the-gills-rgb: 165, 186, 108;
$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);
}