Re: Question about qualifying environment - color temperatures
Re: Question about qualifying environment - color temperatures
- Subject: Re: Question about qualifying environment - color temperatures
- From: Graeme Gill <email@hidden>
- Date: Mon, 18 Nov 2002 11:04:55 +1100
Chris Murphy wrote:
>
Realize too that when final output ends up being compared to a proof
>
that much higher luminosity is used. ISO 3664 specifies 2000 lux for
>
critical appraisal (500 for practical evaluation). That additional
>
amount of light will change the appearance of what you are looking at,
>
primarily in that saturated colors will become a lot more saturated,
>
something that is not predicted by the color models we currently use in
>
ICC based color management. So you basically have to just learn through
>
experience what's going to happen when prints are viewed under
>
significantly higher levels of illumination.
Appearance models like CIECAM97 are intended to deal with this
effect. Some ICC based profiling systems allow linking using
a CIECAM97 colorspace, thereby allowing this effect to be
taken into consideration.
Graeme Gill.
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