Yellowish Brown

CSS

:root {
  --yellowish-brown: #9b7a01;
  --yellowish-brown-rgb: 155 122 1;
  --yellowish-brown-oklch: oklch(0.595 0.121 89.6);
}

.element {
  color: var(--yellowish-brown);
  background-color: hsl(47 99% 31%);
  border-color: oklch(0.595 0.121 89.6);
}

Tailwind CSS v4

@theme {
  --color-yellowish-brown: #9b7a01;
  --color-yellowish-brown-50: #fff5ce;
  --color-yellowish-brown-100: #f6e7ba;
  --color-yellowish-brown-200: #e7d399;
  --color-yellowish-brown-300: #ceb66d;
  --color-yellowish-brown-400: #bb9b40;
  --color-yellowish-brown-500: #a68100;
  --color-yellowish-brown-600: #8c6d00;
  --color-yellowish-brown-700: #705700;
  --color-yellowish-brown-800: #543f00;
  --color-yellowish-brown-900: #3b2b01;
  --color-yellowish-brown-950: #251800;
}

SCSS

$yellowish-brown: #9b7a01;
$yellowish-brown-rgb: 155, 122, 1;
$yellowish-brown-light: mix(#fff, $yellowish-brown, 20%);
$yellowish-brown-dark: mix(#000, $yellowish-brown, 20%);

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