At 03:42 PM 1/15/2010, you wrote:
In a message dated 1/15/2010 6:17:41 PM Eastern Standard Time,
[email protected] writes:
Kermes is a related insect to the cochineal bug--it gives that lovely deep
pure red. Fustic is the heartwood of one of the trees in the Mulberry
family, and it produces yellows and oranges. You could, in theory, use
kermes with fustic but I think unless you had a very large concentration
of fustic in relation to the concentration of kermes you'd get orange
rather than "yolk yellow".
Yes, kermes is native to the Old World and so was used for that deep blue
red before cochineal was discovered. It was often used for the reds in
carpets, so think of that color. One seldom, if ever, actually
combined dyes
in a bath, but rather dyed first with one, then the other. I'm not sure if
over-dyeing fustic with even a weak concentration of kermes would give
"yolk yellow." I agree that orange would be much more likely.
Ann Wass
You need to take into account that "yolk yellow" is not a clearly
defined color. Today's commonly-seen egg yolks tend to be lighter in
color than those from chickens who are free range, able to scratch
and feed on fresh vegetation and insects as well as grain. Actually,
"yolk yellow", before the advent of caged chickens fed on grain mash,
is more orangey than you generally see today. So I can see how one
could get something in that range with a strong fustic dye overdyed
with a weak kermes bath.
Joan Jurancich
[email protected]
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