#211510

CSS

:root {
  --dark-orchestra: #211510;
  --dark-orchestra-rgb: 33 21 16;
  --dark-orchestra-oklch: oklch(0.21 0.022 43.6);
}

.element {
  color: var(--dark-orchestra);
  background-color: hsl(18 35% 10%);
  border-color: oklch(0.21 0.022 43.6);
}

Tailwind CSS v4

@theme {
  --color-dark-orchestra: #211510;
  --color-dark-orchestra-50: #fbf3f0;
  --color-dark-orchestra-100: #efe6e2;
  --color-dark-orchestra-200: #ddd2cd;
  --color-dark-orchestra-300: #c2b4ae;
  --color-dark-orchestra-400: #aa9b94;
  --color-dark-orchestra-500: #94827b;
  --color-dark-orchestra-600: #7d6e68;
  --color-dark-orchestra-700: #645853;
  --color-dark-orchestra-800: #49403d;
  --color-dark-orchestra-900: #332c2a;
  --color-dark-orchestra-950: #1f1917;
}

SCSS

$dark-orchestra: #211510;
$dark-orchestra-rgb: 33, 21, 16;
$dark-orchestra-light: mix(#fff, $dark-orchestra, 20%);
$dark-orchestra-dark: mix(#000, $dark-orchestra, 20%);

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