#92D5D4

CSS

:root {
  --cold-blue: #92d5d4;
  --cold-blue-rgb: 146 213 212;
  --cold-blue-oklch: oklch(0.828 0.068 194.7);
}

.element {
  color: var(--cold-blue);
  background-color: hsl(179 44% 70%);
  border-color: oklch(0.828 0.068 194.7);
}

Tailwind CSS v4

@theme {
  --color-cold-blue: #92d5d4;
  --color-cold-blue-50: #e0fcfc;
  --color-cold-blue-100: #cfefef;
  --color-cold-blue-200: #b4dede;
  --color-cold-blue-300: #8fc3c3;
  --color-cold-blue-400: #6dabab;
  --color-cold-blue-500: #4a9494;
  --color-cold-blue-600: #3f7d7d;
  --color-cold-blue-700: #326464;
  --color-cold-blue-800: #234a49;
  --color-cold-blue-900: #183332;
  --color-cold-blue-950: #081f1e;
}

SCSS

$cold-blue: #92d5d4;
$cold-blue-rgb: 146, 213, 212;
$cold-blue-light: mix(#fff, $cold-blue, 20%);
$cold-blue-dark: mix(#000, $cold-blue, 20%);

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