Glaucous

Glaucous (from Latin glaucus, from Ancient Greek γλαυκός (glaukós) 'blue-green, blue-grey') is used to describe the pale grey or bluish-green appearance of the surfaces of some plants, as well as in the names of birds, such as the glaucous gull (Larus hyperboreus), glaucous-winged gull (Larus glaucescens), glaucous macaw (Anodorhynchus glaucus), and glaucous tanager (Thraupis glaucocolpa).

Glaucous
 
    Color coordinates
Hex triplet#6082B6
sRGBB (r, g, b)(96, 130, 182)
HSV (h, s, v)(216°, 47%, 71%)
CIELChuv (L, C, h)(54, 51, 250°)
SourceISCC-NBS
ISCC–NBS descriptorModerate blue
B: Normalized to [0–255] (byte)

The term glaucous is also used botanically as an adjective to mean "covered with a greyish, bluish, or whitish waxy coating or bloom that is easily rubbed off" (e.g. glaucous leaves).

The first recorded use of glaucous as a color name in English was in the year 1671.

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