On 5 May 2018, at 20:47, Larry Colen <l...@red4est.com> wrote:
> 
> 
>> On May 5, 2018, at 12:11 PM, Mark C <pdml-m...@charter.net> wrote:
>> 
>> Relative colorimetirc maps out of gamut colors to the nearest in gamut color 
>> in the desintation color space. Perceptual maps out of gamut colors into the 
>> destination color space and also shifts other colors to preserve the 
>> relative differences between them. Relative Colorimetiric could result in 
>> blocked up colors or a loss of color separation,  but it preserves the 
>> accuracy of in gamut colors. With Perceptual Colorimetric colors retain 
>> their relation with each other and avoid getting blocked up, but there can a 
>> loss of color accuracy throughout the image.
>> 
>> A photo of vibrant flowers might look blocked up printed with relative 
>> colorimetric, but a photo of a person holding the flowers might have weird 
>> skin tones with perceptual.
>> 
>> In the tests I did I didn't see much difference between relative and 
>> perceptual with Epson K3 inks and glossy or luster paper. I saw slight 
>> differences with Epson enhanced matte paper and preferred perceptual. I 
>> assume the photo papers and PK inks have a broader gamut than the matte 
>> paper and MK ink.
>> 
> 
> If Mark selected his quotations based on usefulness rather than amusement 
> value, this post would be close to the top of the list.
> 

I thought it was hilarious.


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