#9E9B8E

CSS

:root {
  --concrete-jungle: #9e9b8e;
  --concrete-jungle-rgb: 158 155 142;
  --concrete-jungle-oklch: oklch(0.688 0.019 96.2);
}

.element {
  color: var(--concrete-jungle);
  background-color: hsl(49 8% 59%);
  border-color: oklch(0.688 0.019 96.2);
}

Tailwind CSS v4

@theme {
  --color-concrete-jungle: #9e9b8e;
  --color-concrete-jungle-50: #f6f5ef;
  --color-concrete-jungle-100: #e9e8e1;
  --color-concrete-jungle-200: #d6d4cb;
  --color-concrete-jungle-300: #bab8ad;
  --color-concrete-jungle-400: #a19f92;
  --color-concrete-jungle-500: #8a8678;
  --color-concrete-jungle-600: #747266;
  --color-concrete-jungle-700: #5d5b51;
  --color-concrete-jungle-800: #44423b;
  --color-concrete-jungle-900: #2f2e29;
  --color-concrete-jungle-950: #1c1b16;
}

SCSS

$concrete-jungle: #9e9b8e;
$concrete-jungle-rgb: 158, 155, 142;
$concrete-jungle-light: mix(#fff, $concrete-jungle, 20%);
$concrete-jungle-dark: mix(#000, $concrete-jungle, 20%);

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