Re: Extended shorthand for hex colours

1½ years ago, Tab Atkins Jr. <[email protected]>:
> On Wed, Jan 14, 2015 at 11:59 PM, Ryan Williams
>> 
>> 1. #C expands to #CCCCCC
>> 2. #C3 expands to #C3C3C3
>> 3. #CCC expands to #CCCCCC
> 
> As Simon says, the WG is generally of the opinion that expanding
> 2-digit hex in the way you suggest is confusing, because it expands in
> a different way than 3/4 digit hex does.  The single-digit hex doesn't
> suffer from this problem, but it's also less useful, only allowing you
> to specify 16 shades of gray, and save two characters doing so.

Exactly. If anything, `#C3` should expand to `#CCCCCC33`, i.e. a gray with alpha.