cyanine blue
nounDefinition of cyanine blue
1a
: a strong blue that is greener and deeper than Sèvres and redder and darker than cerulean blue (see cerulean blue sense 1b)
— called also Leitch's blue
b
: a deep purplish blue that is less strong and very slightly redder than sapphire (see sapphire sense 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 sense 3