#D28A4F

CSS

:root {
  --whiskey-sour: #d28a4f;
  --whiskey-sour-rgb: 210 138 79;
  --whiskey-sour-oklch: oklch(0.695 0.116 58.5);
}

.element {
  color: var(--whiskey-sour);
  background-color: hsl(27 59% 57%);
  border-color: oklch(0.695 0.116 58.5);
}

Tailwind CSS v4

@theme {
  --color-whiskey-sour: #d28a4f;
  --color-whiskey-sour-50: #ffeed4;
  --color-whiskey-sour-100: #ffe0c2;
  --color-whiskey-sour-200: #fac9a2;
  --color-whiskey-sour-300: #e3aa7a;
  --color-whiskey-sour-400: #d18d55;
  --color-whiskey-sour-500: #be702b;
  --color-whiskey-sour-600: #a06026;
  --color-whiskey-sour-700: #814c1e;
  --color-whiskey-sour-800: #603715;
  --color-whiskey-sour-900: #43250d;
  --color-whiskey-sour-950: #2b1402;
}

SCSS

$whiskey-sour: #d28a4f;
$whiskey-sour-rgb: 210, 138, 79;
$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);
}