These PERKS will be made to order, as contributions begin to come in. Lumen prints are cameraless photographs exposed in UV light. Printed on darkroom paper, the process turns the paper a wide range of colors. The cyanotype chemistry adds a beautiful layer of blue to some aspect of the prints.
Reference photo is of larger-sized print.
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Reference Photo (not 5x7) - Painted Cyanotype & Lumen-Chemigram
The blues you see are from painting cyanotype chemistry onto silver gelatin (darkroom) paper. The lumen process itself is what turns the paper other colors; however, the brown areas are from developer and a little other darkroom chemistry, which is the chemigram part.
I haven't decided which paper I'll make your PERKS on yet, but the colors will be a bit different, as each brand/type of paper responds differenty to the process. (Your blues will likely be bluer than they are in this print)
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Reference Photo 2 (not 5x7)
Painted cyanotype & lumen print sample.