Re: Kodak Color Control Patches - values?
Re: Kodak Color Control Patches - values?
- Subject: Re: Kodak Color Control Patches - values?
- From: Roger Breton <email@hidden>
- Date: Mon, 05 May 2008 20:58:15 -0400
That's a Q13. That target was popular with films but has fallen by the
wayside with digital. The problem with this chart is that it wasn't produced
to close tolerances like the Munsell charts to be able to speak of useful
"averages" -- not that I know of. That chart is printed with CMYK inks so
its colors "values" are only specified with screen percentages like 100%
cyan and so forth. The best you can make is to have access to "typical"
CIELab values for each patches, and convert them to RGB if you need,
thereafter. So that you could use them in your workflow.
I guess the Q13 can still prove useful in color reproduction.
> Does anyone know the average RGB values say Adobe RGB or ProPhoto RGB
> assuming D50 illuminant (or LAB) for the Kodak Color Control Patches
> target? Looks like this:
>
> http://www.rmimaging.com/information/kodak_color_control.html
>
> I just got an image from a client with the control strip in it, but
> having never seen the chart before, and of course not being supplied
> the original one, I don't know the values of the colours.
>
> Appreciate it.
>
> Derek Cooper
> www.reproducingart.com
> V 1-888-767-9106 (Canada)
> V 1-613-767-9106
Roger Breton
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