#85E2E1

CSS

:root {
  --cold-blue: #85e2e1;
  --cold-blue-rgb: 133 226 225;
  --cold-blue-oklch: oklch(0.855 0.089 194.7);
}

.element {
  color: var(--cold-blue);
  background-color: hsl(179 62% 70%);
  border-color: oklch(0.855 0.089 194.7);
}

Tailwind CSS v4

@theme {
  --color-cold-blue: #85e2e1;
  --color-cold-blue-50: #d9fefe;
  --color-cold-blue-100: #c6f2f2;
  --color-cold-blue-200: #a8e1e1;
  --color-cold-blue-300: #7fc6c7;
  --color-cold-blue-400: #57afae;
  --color-cold-blue-500: #239898;
  --color-cold-blue-600: #228181;
  --color-cold-blue-700: #1b6767;
  --color-cold-blue-800: #124c4b;
  --color-cold-blue-900: #0b3534;
  --color-cold-blue-950: #00201f;
}

SCSS

$cold-blue: #85e2e1;
$cold-blue-rgb: 133, 226, 225;
$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);
}