Re: Pigments for neutral color balance in gum: (Re: Fish Eyes again)
Thanks Yves, I do RGB separations -> the algorithms and programs you mention are for CMYK (if I'm not mistaking), therefore useless to me. I don't want a perfectly color-correct result, just a convincing approximation + more neutral blacks that's all (since being consistent is almost impossible because I mix the color for each layer by hand, w/o using stock gum/pigment solutions). On the other hand, I think one can build a custom CMYK profile (measuring each primary color and the combinations with a spectophotometer) for proofing and manipulate the color balance on screen in order to get the desired result <- (probably!?) but this isn't what I want to do. Regards, Loris. 18 Eylül 2008, Perşembe, 2:19 pm tarihinde, Yves Gauvreau yazmış: > Loris, > > the starting "colors" you use are important for sure but the proper color > separations may prove more significative in obtaining neutral print > values. > But you will need special tools and software to do this but it will also > take the guess work out of the process. I would argue that this problem is > one of the many reason color management was design for. To my knowledge, > there is even a special algorithm design for this specific problem, if > memory serve me well I think it is called the gray axis algorithm. Combine > this with a software program that can create the required separations and > you should be in business. > > Hope this helps, > Yves
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