- for
various purple and
violet hues
identified as "
indigo",
based on use of the term "
indigo" in HTML web page specifications. The word "
indigo"
comes from...
-
shades of blue and
purple.
Natural sources of
indigo also
include mollusks: the
Murex genus of sea
snails produces a
mixture of
indigo and 6,6'-dibromoindigo...
-
murex is
close to that of the dye from
indigo, and
indigo was
sometimes used to make a
counterfeit Tyrian purple, a
crime which was
severely punished....
-
roughly 380–450 nm.
Tones of
violet tending towards the blue are
called indigo.
Purple colors are
colors that are
various blends of
violet or blue
light with...
-
economize could mix
Tyrian purple dye with the much less
expensive indigo to
create a
color closer to violet. Han
purple is a type of
artificial pigment...
-
Tyrian purple (Ancient Gr****: πορφύρα porphúra; Latin: purpura), also
known as
royal purple,
imperial purple, or
imperial dye, is a reddish-
purple natural...
-
purple. The
colors are
slightly different from the
basic spectral colors, with gold in
place of yellow,
vivid blue
instead of
light blue, and
indigo as...
-
readily afford it. In Asia, the main dye used was Han
purple,
although it more
closely resembles indigo.
During the
Medieval Ages, in Europe, the
color was...
- significance. Presently, it is only a curiosity,
although the
related derivative indigo is of
industrial significance. The
molecule consists of a pair of monobrominated...
- discoloration. The
purple discoloration is the
result of
reaction between indirubin and
plastic urine bags, as well as the
presence of
indigo.
Bacteria in the...