of grey tinged with blue
of blue tinged with grey
of the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
used to signify the Union forces in the American Civil War (who wore blue uniforms)
blue color or pigment; resembling the color of the clear sky in the daytime
any organization or party whose uniforms or badges are blue
of an achromatic color of any lightness intermediate between the extremes of white and black
filled with melancholy and despondency
