#A39B70

CSS

:root {
  --a-frond-in-need: #a39b70;
  --a-frond-in-need-rgb: 163 155 112;
  --a-frond-in-need-oklch: oklch(0.685 0.06 98.8);
}

.element {
  color: var(--a-frond-in-need);
  background-color: hsl(51 22% 54%);
  border-color: oklch(0.685 0.06 98.8);
}

Tailwind CSS v4

@theme {
  --color-a-frond-in-need: #a39b70;
  --color-a-frond-in-need-50: #f9f6e3;
  --color-a-frond-in-need-100: #ece9d2;
  --color-a-frond-in-need-200: #d9d5b9;
  --color-a-frond-in-need-300: #beb996;
  --color-a-frond-in-need-400: #a79f77;
  --color-a-frond-in-need-500: #908758;
  --color-a-frond-in-need-600: #7a724b;
  --color-a-frond-in-need-700: #615b3c;
  --color-a-frond-in-need-800: #48432a;
  --color-a-frond-in-need-900: #322e1c;
  --color-a-frond-in-need-950: #1e1b0d;
}

SCSS

$a-frond-in-need: #a39b70;
$a-frond-in-need-rgb: 163, 155, 112;
$a-frond-in-need-light: mix(#fff, $a-frond-in-need, 20%);
$a-frond-in-need-dark: mix(#000, $a-frond-in-need, 20%);

.element {
  color: $a-frond-in-need;
  box-shadow: 0 0 0 2px rgba($a-frond-in-need, 0.35);
}