Chuff Blue

CSS

:root {
  --chuff-blue: #91c1c6;
  --chuff-blue-rgb: 145 193 198;
  --chuff-blue-oklch: oklch(0.779 0.051 204.2);
}

.element {
  color: var(--chuff-blue);
  background-color: hsl(186 32% 67%);
  border-color: oklch(0.779 0.051 204.2);
}

Tailwind CSS v4

@theme {
  --color-chuff-blue: #91c1c6;
  --color-chuff-blue-50: #e5fafc;
  --color-chuff-blue-100: #d5edf0;
  --color-chuff-blue-200: #bcdbdf;
  --color-chuff-blue-300: #9abfc4;
  --color-chuff-blue-400: #7ba8ac;
  --color-chuff-blue-500: #5c9096;
  --color-chuff-blue-600: #4f7a7f;
  --color-chuff-blue-700: #3f6265;
  --color-chuff-blue-800: #2d484a;
  --color-chuff-blue-900: #1e3233;
  --color-chuff-blue-950: #0e1e1f;
}

SCSS

$chuff-blue: #91c1c6;
$chuff-blue-rgb: 145, 193, 198;
$chuff-blue-light: mix(#fff, $chuff-blue, 20%);
$chuff-blue-dark: mix(#000, $chuff-blue, 20%);

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