#D7FAF9

CSS

:root {
  --cold-canada: #d7faf9;
  --cold-canada-rgb: 215 250 249;
  --cold-canada-oklch: oklch(0.96 0.036 194.4);
}

.element {
  color: var(--cold-canada);
  background-color: hsl(178 78% 91%);
  border-color: oklch(0.96 0.036 194.4);
}

Tailwind CSS v4

@theme {
  --color-cold-canada: #d7faf9;
  --color-cold-canada-50: #eaf9f8;
  --color-cold-canada-100: #dbecec;
  --color-cold-canada-200: #c3d9d9;
  --color-cold-canada-300: #a3bdbd;
  --color-cold-canada-400: #86a6a5;
  --color-cold-canada-500: #6a8e8d;
  --color-cold-canada-600: #5a7878;
  --color-cold-canada-700: #486060;
  --color-cold-canada-800: #344746;
  --color-cold-canada-900: #233130;
  --color-cold-canada-950: #121d1c;
}

SCSS

$cold-canada: #d7faf9;
$cold-canada-rgb: 215, 250, 249;
$cold-canada-light: mix(#fff, $cold-canada, 20%);
$cold-canada-dark: mix(#000, $cold-canada, 20%);

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