Coloration ranges from brownish, bluish or purplish gray dorsally with lighter shades ventrally. Cool grays have noticeably bluish, greenish, or violetish hues. Vinyl ester resin tends to have a purplish to bluish to greenish tint. Juveniles have duller plumage with bluish or greyish eyes and initially a red mouth. They have dorsal and anal soft rays and have bluish or greenish backs. The color is white, sometimes greyish, bluish, or purple. The eggs are rough, unmarked pale bluish or dirty white. The eggs are pale gray to bluish white, measuring on average. Symptoms include shortness of breath, rapid breathing, and bluish skin coloration. Vijaya Dhanush is described in certain puranas having a dark colour with bluish hue. "Cadet gray" is a slightly bluish shade of gray. The blacks produced were often more gray, brown or bluish. Its previous colour was a bluish grey. They appeared nearly human, with black hair, dark eyes, prominent noses and bluish lips. They consist of soft schist of bluish or brown colors.