#C88F59

CSS

:root {
  --butter-bronze: #c88f59;
  --butter-bronze-rgb: 200 143 89;
  --butter-bronze-oklch: oklch(0.694 0.099 63.5);
}

.element {
  color: var(--butter-bronze);
  background-color: hsl(29 50% 57%);
  border-color: oklch(0.694 0.099 63.5);
}

Tailwind CSS v4

@theme {
  --color-butter-bronze: #c88f59;
  --color-butter-bronze-50: #fff0d8;
  --color-butter-bronze-100: #ffe2c6;
  --color-butter-bronze-200: #f2cca8;
  --color-butter-bronze-300: #dbae81;
  --color-butter-bronze-400: #c8925f;
  --color-butter-bronze-500: #b47739;
  --color-butter-bronze-600: #986532;
  --color-butter-bronze-700: #7a5027;
  --color-butter-bronze-800: #5b3a1c;
  --color-butter-bronze-900: #402812;
  --color-butter-bronze-950: #281605;
}

SCSS

$butter-bronze: #c88f59;
$butter-bronze-rgb: 200, 143, 89;
$butter-bronze-light: mix(#fff, $butter-bronze, 20%);
$butter-bronze-dark: mix(#000, $butter-bronze, 20%);

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