[metapost] CMYK colors

[Hans Hagen]

On 24-6-2011 4:59, Steve Peter wrote:
>
> On Jun 23, 2011, at 12:43 AM, Taco Hoekwater wrote:
>
>> On 06/23/11 00:34, Troy Henderson wrote:
>>> Is there a reason that when the CMYK colorspace support was added to
>>> MetaPost that the colors "cyan", "magenta", "yellow", and "key" (or
>>> "black") were not added as synonyms to (1,0,0,0), (0,1,0,0),
>>> (0,0,1,0), and (0,0,0,1), respectively?
>>
>> Probably because nobody thought about it. But I do not like 'key'
>> in any case.
>
> Why? That *is* what K means. http://en.wikipedia.org/wiki/Key_plate.

black can't be used as it's better to use that one for a grayscale

key is somewhat unfortunate as it's used in key/value cases, so keystone 
would be the alternatiev then

however, there is no need at all to define black or key or keystone at all

personally I think that we shouldn't define cyan, magenta or yellow as 
one can already have them defined in rgb

Hans

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