> For the complete documentation index, see [llms.txt](https://spectrecss.angular-package.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://spectrecss.angular-package.dev/mixin/color/set-var-alpha.md).

# set-var-alpha()

{% code title="" lineNumbers="true" %}

```scss
@mixin set-var-alpha(
  $name,
  $color,
  $alpha: 0,
  $prefix: $var-prefix,
  $suffix: $var-alpha
) {
  @if type-of($color) != 'string' {
    @include set-var($name, alpha($color), $prefix, $suffix);
  } @else {
    @include set-var($name, var-adjust(css-var(color-name($color), $suffix: $suffix), $alpha), $prefix, $suffix);
  }
}
```

{% endcode %}