Little Valley

CSS

:root {
  --little-valley: #a4a191;
  --little-valley-rgb: 164 161 145;
  --little-valley-oklch: oklch(0.707 0.023 98.2);
}

.element {
  color: var(--little-valley);
  background-color: hsl(51 9% 61%);
  border-color: oklch(0.707 0.023 98.2);
}

Tailwind CSS v4

@theme {
  --color-little-valley: #a4a191;
  --color-little-valley-50: #f6f5ee;
  --color-little-valley-100: #e9e8e0;
  --color-little-valley-200: #d6d5ca;
  --color-little-valley-300: #bab8ab;
  --color-little-valley-400: #a29f90;
  --color-little-valley-500: #8a8776;
  --color-little-valley-600: #757264;
  --color-little-valley-700: #5d5b50;
  --color-little-valley-800: #45423a;
  --color-little-valley-900: #2f2e27;
  --color-little-valley-950: #1c1b16;
}

SCSS

$little-valley: #a4a191;
$little-valley-rgb: 164, 161, 145;
$little-valley-light: mix(#fff, $little-valley, 20%);
$little-valley-dark: mix(#000, $little-valley, 20%);

.element {
  color: $little-valley;
  box-shadow: 0 0 0 2px rgba($little-valley, 0.35);
}