Definition of cyanine blue
1 a
:a strong blue that is greener and deeper than Sèvres and redder and darker than cerulean blue (see cerulean blue 1b) — called also
Leitch's blue
b
:a deep purplish blue that is less strong and very slightly redder than sapphire (see sapphire 2a) and bluer and duller than hyacinth blue or Mazarine blue
2
or less commonly
cyanine
:a blue pigment consisting of a mixture of cobalt blue and Prussian blue — called also
Leitch's blue
3
:cyanine 3
Writing? Check your grammar now!