[alt-photo] Re: Klein Blue (ping Katherine...)

[Keith Gerling]

Thanks everybody for your suggestions.

Marek, I love printing pthalo over indanthone and I do love it.  But it
isn't quite what I was looking for here.

On Thu, Jul 29, 2010 at 2:52 PM, Katharine Thayer <kthayer at pacifier.com>wrote:

>
> On Jul 29, 2010, at 10:25 AM, Marek Matusz wrote:
>
>
>> Keith
>>
>> Looking at the painting on my uncalibrated monitor I can see a substantial
>> purple component to the blue. It is difficult to judge the intensity on the
>> screen. To my eye the paint is a mix of phtalo/ultramarine and some kind of
>> binder or extender. Phtalo blue is dominated now by paint/printing industry,
>> but it is possible that there was a variant back then that had a different
>> hue.
>>
>> FOr gum I would suggest using two or more separate blue layers. Start with
>> an indantthrone blue layer and then print another layer of thalo blue on
>> top. This is my trick to having blues that are not as cyan as phtalo or
>> prussian, especially for "must have" this shade of sky. You can mix the
>> pigments, but the visual effect is not quite the same, but then you know all
>> the gum tricks.
>>
>> Marek
>>
>
> I concur; excellent idea,
> kt
>
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