U of S | Mailing List Archive | alt-photo-process-l | Re: First tricolor gum

Re: First tricolor gum

The yellows I have here at home are Aureolin and New Gamboge, both Dan'l Smith pigments...
Maybe I'll try a yellow exposure followed by a final blue one on the print I posted.
Thanks all...
----- Original Message -----
Sent: Thursday, July 02, 2009 8:45 AM
Subject: RE: First tricolor gum

Welcome to the gum community. The print is very nice. You got the sun exposure/development nicely worked out. FOr a tricolor get a nice intense yellow. A number of them have been sugested here. If you so desire you can print another blue layer just for the shadows (shorter exposure).

Date: Wed, 1 Jul 2009 17:55:17 -0700
From: viapiano@pacbell.net
Subject: First tricolor gum
To: alt-photo-process-l@usask.ca

OK, I tried a tricolor gum today with the intent of getting true color. Using 1:1 gum/dichromate ratios and sun exposures of 3 minutes and 30-60 minute development, I ended up with this:
My guess is that I'm not putting enough pigment in my mixes...especially the blue pigment.
I used Prussian Blue, Warm Sepia, and Anthraquinoid Red...all Daniel Smith watercolors.

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