#716B62

CSS

:root {
  --catch-of-the-day: #716b62;
  --catch-of-the-day-rgb: 113 107 98;
  --catch-of-the-day-oklch: oklch(0.531 0.016 78.2);
}

.element {
  color: var(--catch-of-the-day);
  background-color: hsl(36 7% 41%);
  border-color: oklch(0.531 0.016 78.2);
}

Tailwind CSS v4

@theme {
  --color-catch-of-the-day: #716b62;
  --color-catch-of-the-day-50: #f7f5f0;
  --color-catch-of-the-day-100: #ebe7e2;
  --color-catch-of-the-day-200: #d8d4cd;
  --color-catch-of-the-day-300: #bcb7af;
  --color-catch-of-the-day-400: #a49d94;
  --color-catch-of-the-day-500: #8c857b;
  --color-catch-of-the-day-600: #767168;
  --color-catch-of-the-day-700: #5f5a53;
  --color-catch-of-the-day-800: #46423c;
  --color-catch-of-the-day-900: #302d2a;
  --color-catch-of-the-day-950: #1c1a17;
}

SCSS

$catch-of-the-day: #716b62;
$catch-of-the-day-rgb: 113, 107, 98;
$catch-of-the-day-light: mix(#fff, $catch-of-the-day, 20%);
$catch-of-the-day-dark: mix(#000, $catch-of-the-day, 20%);

.element {
  color: $catch-of-the-day;
  box-shadow: 0 0 0 2px rgba($catch-of-the-day, 0.35);
}