New Amber

CSS

:root {
  --new-amber: #6d3b24;
  --new-amber-rgb: 109 59 36;
  --new-amber-oklch: oklch(0.41 0.079 44.6);
}

.element {
  color: var(--new-amber);
  background-color: hsl(19 50% 28%);
  border-color: oklch(0.41 0.079 44.6);
}

Tailwind CSS v4

@theme {
  --color-new-amber: #6d3b24;
  --color-new-amber-50: #ffefe2;
  --color-new-amber-100: #ffe1d2;
  --color-new-amber-200: #f2cbb8;
  --color-new-amber-300: #daac95;
  --color-new-amber-400: #c69078;
  --color-new-amber-500: #b2755a;
  --color-new-amber-600: #96634d;
  --color-new-amber-700: #794f3d;
  --color-new-amber-800: #5a392c;
  --color-new-amber-900: #3f271e;
  --color-new-amber-950: #28150e;
}

SCSS

$new-amber: #6d3b24;
$new-amber-rgb: 109, 59, 36;
$new-amber-light: mix(#fff, $new-amber, 20%);
$new-amber-dark: mix(#000, $new-amber, 20%);

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