Aquamarine Blue

CSS

:root {
  --aquamarine-blue: #71d9e2;
  --aquamarine-blue-rgb: 113 217 226;
  --aquamarine-blue-oklch: oklch(0.826 0.097 202.9);
}

.element {
  color: var(--aquamarine-blue);
  background-color: hsl(185 66% 66%);
  border-color: oklch(0.826 0.097 202.9);
}

Tailwind CSS v4

@theme {
  --color-aquamarine-blue: #71d9e2;
  --color-aquamarine-blue-50: #d6feff;
  --color-aquamarine-blue-100: #c3f2f7;
  --color-aquamarine-blue-200: #a3e1e8;
  --color-aquamarine-blue-300: #78c6cf;
  --color-aquamarine-blue-400: #4cafb8;
  --color-aquamarine-blue-500: #0099a3;
  --color-aquamarine-blue-600: #068189;
  --color-aquamarine-blue-700: #08676e;
  --color-aquamarine-blue-800: #034c50;
  --color-aquamarine-blue-900: #043538;
  --color-aquamarine-blue-950: #002022;
}

SCSS

$aquamarine-blue: #71d9e2;
$aquamarine-blue-rgb: 113, 217, 226;
$aquamarine-blue-light: mix(#fff, $aquamarine-blue, 20%);
$aquamarine-blue-dark: mix(#000, $aquamarine-blue, 20%);

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