Harbour Afternoon

CSS

:root {
  --harbour-afternoon: #e0e9f3;
  --harbour-afternoon-rgb: 224 233 243;
  --harbour-afternoon-oklch: oklch(0.93 0.017 250.8);
}

.element {
  color: var(--harbour-afternoon);
  background-color: hsl(212 44% 92%);
  border-color: oklch(0.93 0.017 250.8);
}

Tailwind CSS v4

@theme {
  --color-harbour-afternoon: #e0e9f3;
  --color-harbour-afternoon-50: #f2f5fa;
  --color-harbour-afternoon-100: #e4e8ed;
  --color-harbour-afternoon-200: #cfd5db;
  --color-harbour-afternoon-300: #b2b8c0;
  --color-harbour-afternoon-400: #979fa8;
  --color-harbour-afternoon-500: #7e8791;
  --color-harbour-afternoon-600: #6b727b;
  --color-harbour-afternoon-700: #555c62;
  --color-harbour-afternoon-800: #3e4348;
  --color-harbour-afternoon-900: #2b2e32;
  --color-harbour-afternoon-950: #181b1e;
}

SCSS

$harbour-afternoon: #e0e9f3;
$harbour-afternoon-rgb: 224, 233, 243;
$harbour-afternoon-light: mix(#fff, $harbour-afternoon, 20%);
$harbour-afternoon-dark: mix(#000, $harbour-afternoon, 20%);

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