Umber Brown

CSS

:root {
  --umber-brown: #613936;
  --umber-brown-rgb: 97 57 54;
  --umber-brown-oklch: oklch(0.392 0.058 24.6);
}

.element {
  color: var(--umber-brown);
  background-color: hsl(4 28% 30%);
  border-color: oklch(0.392 0.058 24.6);
}

Tailwind CSS v4

@theme {
  --color-umber-brown: #613936;
  --color-umber-brown-50: #ffefec;
  --color-umber-brown-100: #fbe1de;
  --color-umber-brown-200: #eccbc7;
  --color-umber-brown-300: #d4ada8;
  --color-umber-brown-400: #be928e;
  --color-umber-brown-500: #a97773;
  --color-umber-brown-600: #8f6562;
  --color-umber-brown-700: #73514e;
  --color-umber-brown-800: #553b39;
  --color-umber-brown-900: #3b2827;
  --color-umber-brown-950: #251615;
}

SCSS

$umber-brown: #613936;
$umber-brown-rgb: 97, 57, 54;
$umber-brown-light: mix(#fff, $umber-brown, 20%);
$umber-brown-dark: mix(#000, $umber-brown, 20%);

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