#939D93

CSS

:root {
  --concrete-jungle: #939d93;
  --concrete-jungle-rgb: 147 157 147;
  --concrete-jungle-oklch: oklch(0.685 0.018 145.4);
}

.element {
  color: var(--concrete-jungle);
  background-color: hsl(120 5% 60%);
  border-color: oklch(0.685 0.018 145.4);
}

Tailwind CSS v4

@theme {
  --color-concrete-jungle: #939d93;
  --color-concrete-jungle-50: #f2f7f2;
  --color-concrete-jungle-100: #e4eae4;
  --color-concrete-jungle-200: #cfd6d0;
  --color-concrete-jungle-300: #b1bab2;
  --color-concrete-jungle-400: #98a198;
  --color-concrete-jungle-500: #7f8a7f;
  --color-concrete-jungle-600: #6b746b;
  --color-concrete-jungle-700: #565d56;
  --color-concrete-jungle-800: #3f443e;
  --color-concrete-jungle-900: #2b2f2b;
  --color-concrete-jungle-950: #181c18;
}

SCSS

$concrete-jungle: #939d93;
$concrete-jungle-rgb: 147, 157, 147;
$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);
}