[whatwg] support for named colors in (was Re: Icon mask and theme color)

[Edward O'Connor]

Hi Anne,

You wrote:

>> On the other hand, <link rel=mask-icon color=darkslategray> seems
>> like it should Just Work™.
>
> I guess we could add support for named colors to <input type=color>
> too.

Offhand I think that's a good idea. Probably won't round-trip through
typical color picker implementations, but that doesn't seem like much of
a problem to me.

What do others think?