#D28A54

CSS

:root {
  --whiskey-sour: #d28a54;
  --whiskey-sour-rgb: 210 138 84;
  --whiskey-sour-oklch: oklch(0.696 0.113 56.5);
}

.element {
  color: var(--whiskey-sour);
  background-color: hsl(26 58% 58%);
  border-color: oklch(0.696 0.113 56.5);
}

Tailwind CSS v4

@theme {
  --color-whiskey-sour: #d28a54;
  --color-whiskey-sour-50: #ffeed6;
  --color-whiskey-sour-100: #ffe0c3;
  --color-whiskey-sour-200: #fac9a5;
  --color-whiskey-sour-300: #e3a97d;
  --color-whiskey-sour-400: #d18c5a;
  --color-whiskey-sour-500: #bd7032;
  --color-whiskey-sour-600: #a05f2c;
  --color-whiskey-sour-700: #804c23;
  --color-whiskey-sour-800: #603718;
  --color-whiskey-sour-900: #432510;
  --color-whiskey-sour-950: #2b1403;
}

SCSS

$whiskey-sour: #d28a54;
$whiskey-sour-rgb: 210, 138, 84;
$whiskey-sour-light: mix(#fff, $whiskey-sour, 20%);
$whiskey-sour-dark: mix(#000, $whiskey-sour, 20%);

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