#8F6153

CSS

:root {
  --weathered-leather: #8f6153;
  --weathered-leather-rgb: 143 97 83;
  --weathered-leather-oklch: oklch(0.538 0.064 37.6);
}

.element {
  color: var(--weathered-leather);
  background-color: hsl(14 27% 44%);
  border-color: oklch(0.538 0.064 37.6);
}

Tailwind CSS v4

@theme {
  --color-weathered-leather: #8f6153;
  --color-weathered-leather-50: #fff0e8;
  --color-weathered-leather-100: #fce1d8;
  --color-weathered-leather-200: #eeccc0;
  --color-weathered-leather-300: #d5ad9f;
  --color-weathered-leather-400: #c19283;
  --color-weathered-leather-500: #ac7767;
  --color-weathered-leather-600: #916558;
  --color-weathered-leather-700: #745146;
  --color-weathered-leather-800: #563a33;
  --color-weathered-leather-900: #3c2823;
  --color-weathered-leather-950: #261612;
}

SCSS

$weathered-leather: #8f6153;
$weathered-leather-rgb: 143, 97, 83;
$weathered-leather-light: mix(#fff, $weathered-leather, 20%);
$weathered-leather-dark: mix(#000, $weathered-leather, 20%);

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