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FT Pro, Mem SOG,'08 Cert Excellence PSA, '02 Schroeder Portrait Award Copley Soc, '99 1st Place PSA, '98 Sp Recognition Washington Soc Portrait Artists, '97 1st Prize ASOPA, '97 Best Prtfolio ASOPA
Joined: Jun 2001
Location: Peterborough, NH
Posts: 1,114
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The reason why I suggested that you don't add color to wet white gesso is that it takes a LOT of color to make a darkish tint. I believe that most imprimaturas are somewhere in the neighborhood of a 35% to 50% value.
If you add too much paint to gesso, you alter or break down the properties of gesso. Gesso is different than paint and serves a different purpose in painting.
I think it would be especially problematic if you plan to apply this "altered gesso" to raw cotton or linen canvas.
However, you're probably OK if; you're just tinting the gesso, it is not on the first layer, and the proportion of paint to gesso isn't too high...
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