Re: Hutch Targets
Re: Hutch Targets
- Subject: Re: Hutch Targets
- From: Don Hutcheson <email@hidden>
- Date: Fri, 10 Mar 2006 20:24:46 -0500
- Thread-topic: Hutch Targets
My thanks for all the nice words about the HCT.
The only reason to fear the extra gamut captured by an HCT profile is if you
convert from the scan directly into a small-gamut tri-coordinate RGB working
space like Adobe RGB, sRGB, etc. Most RGB working spaces do NOT support
gamut compression, hence any colors in the original that were more saturated
than the working space will be clipped.
(Gamut clipping has probably occurred when one or more channels reaches 255
or 000 in a colored area of the converted file.)
If you bought an HCT you obviously care about quality, in which case you
should be converting all your RGB images into a "wide-gamut" RGB space, like
DonRGB4, BestRGB or ProPhoto RGB. Converting from an HCT profile into any
of these will preserve virtually all the color gamut discerned by the
profile. However note that hue, chroma and/or lightness detail in "extreme
gamut" color areas will often not be distinguishable on screen, due to the
typically limited gamut of most monitors.
If you want to see the potential detail of "extreme gamut" color regions
while working in Photoshop, even though your monitor has a limited gamut,
either use a 3-D profile with built-in monitor gamut compression (from
Monaco OPTIX Pro, ColorEyes Display, etc.) or "proof-view" the RGB image
through the intended output profile, using "View - Custom..." or "Command -
Y".
Either way, the good news is that when you convert an extremely saturated
RGB file (created with an HCT profile) for output, all the extremely
saturated colors that may have lacked detail on screen should be reproduced
to the maximum ability of your output device by the output profile's gamut
compression.
Don
******************************
Don Hutcheson
Hutcheson Consulting
(Color Management Solutions)
E-mail: email@hidden
******************************
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