Uguisu Brown

CSS

:root {
  --uguisu-brown: #645530;
  --uguisu-brown-rgb: 100 85 48;
  --uguisu-brown-oklch: oklch(0.455 0.057 88);
}

.element {
  color: var(--uguisu-brown);
  background-color: hsl(43 35% 29%);
  border-color: oklch(0.455 0.057 88);
}

Tailwind CSS v4

@theme {
  --color-uguisu-brown: #645530;
  --color-uguisu-brown-50: #fbf5e3;
  --color-uguisu-brown-100: #efe8d3;
  --color-uguisu-brown-200: #ded4b9;
  --color-uguisu-brown-300: #c3b797;
  --color-uguisu-brown-400: #ac9d78;
  --color-uguisu-brown-500: #96845a;
  --color-uguisu-brown-600: #7f704c;
  --color-uguisu-brown-700: #665a3d;
  --color-uguisu-brown-800: #4b412b;
  --color-uguisu-brown-900: #342d1d;
  --color-uguisu-brown-950: #201a0d;
}

SCSS

$uguisu-brown: #645530;
$uguisu-brown-rgb: 100, 85, 48;
$uguisu-brown-light: mix(#fff, $uguisu-brown, 20%);
$uguisu-brown-dark: mix(#000, $uguisu-brown, 20%);

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