River Shark

CSS

:root {
  --river-shark: #dfdcd5;
  --river-shark-rgb: 223 220 213;
  --river-shark-oklch: oklch(0.895 0.01 87.5);
}

.element {
  color: var(--river-shark);
  background-color: hsl(42 14% 85%);
  border-color: oklch(0.895 0.01 87.5);
}

Tailwind CSS v4

@theme {
  --color-river-shark: #dfdcd5;
  --color-river-shark-50: #f6f5f2;
  --color-river-shark-100: #e9e8e4;
  --color-river-shark-200: #d6d4cf;
  --color-river-shark-300: #b9b7b2;
  --color-river-shark-400: #a19e98;
  --color-river-shark-500: #89867f;
  --color-river-shark-600: #74716b;
  --color-river-shark-700: #5d5b56;
  --color-river-shark-800: #44423e;
  --color-river-shark-900: #2f2e2b;
  --color-river-shark-950: #1b1a18;
}

SCSS

$river-shark: #dfdcd5;
$river-shark-rgb: 223, 220, 213;
$river-shark-light: mix(#fff, $river-shark, 20%);
$river-shark-dark: mix(#000, $river-shark, 20%);

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