Re: [csswg-drafts] [css-color-4] Concerns about color() function fallback (#5931)

> I would urge you to fork the other discussion into a different issue

To decouple this issue from the fallback discussion, an important detail is pending: what is the outcome of an invalid custom profile. If it is "opaque black", that leaves little to be done at computed-value time. But if it is IACVT, then something like this may work:
```
varf(<custom-property-name>, <declaration-value>);
```
where `varf` is like `var` but with the fallback being applied if value is IACVT.

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Received on Wednesday, 17 March 2021 17:46:36 UTC