#7FC4E0

CSS

:root {
  --sky-fall: #7fc4e0;
  --sky-fall-rgb: 127 196 224;
  --sky-fall-oklch: oklch(0.785 0.08 225.6);
}

.element {
  color: var(--sky-fall);
  background-color: hsl(197 61% 69%);
  border-color: oklch(0.785 0.08 225.6);
}

Tailwind CSS v4

@theme {
  --color-sky-fall: #7fc4e0;
  --color-sky-fall-50: #defaff;
  --color-sky-fall-100: #cdeefd;
  --color-sky-fall-200: #b1dcef;
  --color-sky-fall-300: #8cc0d8;
  --color-sky-fall-400: #68a9c3;
  --color-sky-fall-500: #4391ae;
  --color-sky-fall-600: #3a7b93;
  --color-sky-fall-700: #2e6276;
  --color-sky-fall-800: #1f4857;
  --color-sky-fall-900: #14323d;
  --color-sky-fall-950: #061e26;
}

SCSS

$sky-fall: #7fc4e0;
$sky-fall-rgb: 127, 196, 224;
$sky-fall-light: mix(#fff, $sky-fall, 20%);
$sky-fall-dark: mix(#000, $sky-fall, 20%);

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