Re: [csswg-drafts] [css-color-5] What should the behavior of the CSS Color 5 color functions be when passed `currentcolor` as <color> (#6168)

I was wondering a similar thing. For example, we are maintaining a component library. In one of the components, we would like one of its elements to have a semi-transparent background color based on the `currentcolor`. Something like the following:

```html
<div class="wrapper">
  <div class="my-component">
    <p>Some text</p>
    <div class="my-component__semi-transparent-thing"></div>
  </div>
</div>
```

```css
.wrapper {
  background: darkslateblue;
  color: white;
}

.my-component__semi-transparent-thing {
  background-color: rgb(from currentcolor r g b / 50%);
}
```

We would like to use `currentcolor` because from the component's perspective, it doesn't necessarily know its context. Of course we could use a CSS custom property, but with `currentcolor` working so well elsewhere, it would be nice to use it here too.

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Received on Thursday, 12 August 2021 16:57:20 UTC