On Feb 18, 2011, at 9:47 AM, Graham Cox wrote:

> 
> On 18/02/2011, at 11:40 AM, John Joyce wrote:
> 
>> Why would whiteColor not be RGB?
> 
> 
> Because it's not. It uses the NSCalibratedWhiteColorSpace, and has two 
> components - the gray level and alpha.
> 
> Yes, you can make an RGB colour of white or any shade of gray, but 
> -whiteColor (nor -blackColor or any gray) isn't like that.
> 
> --Graham
> 
Good to know! 
Too bad it's not labeled more informatively.

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