#94CEE0

CSS

:root {
  --over-the-sky: #94cee0;
  --over-the-sky-rgb: 148 206 224;
  --over-the-sky-oklch: oklch(0.818 0.065 219.1);
}

.element {
  color: var(--over-the-sky);
  background-color: hsl(194 55% 73%);
  border-color: oklch(0.818 0.065 219.1);
}

Tailwind CSS v4

@theme {
  --color-over-the-sky: #94cee0;
  --color-over-the-sky-50: #e2faff;
  --color-over-the-sky-100: #d1edf7;
  --color-over-the-sky-200: #b7dbe8;
  --color-over-the-sky-300: #93c0cf;
  --color-over-the-sky-400: #72a8b8;
  --color-over-the-sky-500: #5191a3;
  --color-over-the-sky-600: #457a8a;
  --color-over-the-sky-700: #37626f;
  --color-over-the-sky-800: #264851;
  --color-over-the-sky-900: #1a3238;
  --color-over-the-sky-950: #0a1e23;
}

SCSS

$over-the-sky: #94cee0;
$over-the-sky-rgb: 148, 206, 224;
$over-the-sky-light: mix(#fff, $over-the-sky, 20%);
$over-the-sky-dark: mix(#000, $over-the-sky, 20%);

.element {
  color: $over-the-sky;
  box-shadow: 0 0 0 2px rgba($over-the-sky, 0.35);
}