Re: The color of gray
Re: The color of gray
- Subject: Re: The color of gray
- From: Graeme Gill <email@hidden>
- Date: Wed, 03 Sep 2014 11:48:31 +1000
Steve Upton wrote:
> If you choose a spectrally neutral line, then as the ‘neutrals’ lighten they will first
> go from the color of the darkest black (brownish warm in many cases) over to the
> absolute neutral gray axis. Then they will continue to lighten while being absolutely
> neutral (increasingly fighting against the paper color that shows through more and
> more). Finally, with no more ink available, the ‘neutrals’ will fling over to the paper
> color.
Hmm. Is the absolute colorimetric, because for relative colorimetric the paper white
is assumed to be neutral, having been transformed to the PCS white point in the
profile making process.
> A more natural gray aim is more like a line from the black print point straight up to
> the paper white. This tends to be smoother, avoids color changes / fringing and matches
> the expectations for neutrals of the viewer. Importantly, this doesn’t tend to be
> spectrally or absolutely neutral at all.
My experience is that you can bend the neutral line quite rapidly when
it's sufficiently near black, without it being visually disturbing.
This is very useful in getting the best possible contrast ratio, both
with prints and some Displays (ie. LCD).
Graeme Gill.
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