Re: K generation in GRACoL2006_Coated1v2
Re: K generation in GRACoL2006_Coated1v2
- Subject: Re: K generation in GRACoL2006_Coated1v2
- From: Martin Orpen <email@hidden>
- Date: Mon, 02 Mar 2015 14:29:41 +0000
> On 2 Mar 2015, at 13:58, Martin Orpen <email@hidden> wrote:
>
> Here’s a chart showing K percentages from RGB values of 30, 50 & 70.
That’s annoying, other Apple lists allow tiny graphics… but a list about graphics doesn’t :(
Anyhow, the chart is here:
<http://rgb2cmyk.co.uk/i/KGenComparison.png>
That GRACoL profile produces way too much black in blue…
Latest GRACoL2013_CRPC6 profile shows similar behaviour with K values in blue of 93%, 88% & 82%.
That’s a whopping 26% of additional black at B70 compared to ISO Coated v2 (ECI).
--
Martin Orpen
Idea Digital Imaging Ltd
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