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The dark variation is best described as the color of the Byzantine night sky [citation needed]; it resembles dark blue-grey, Prussian and Navy blue, well attested on frescoes and mosaics. [ 1 ] Dark Byzantine blue
Purple cauliflower contains anthocyanins. Anthocyanins (from Ancient Greek ἄνθος (ánthos) 'flower' and κυάνεος / κυανοῦς (kuáneos/kuanoûs) 'dark blue'), also called anthocyans, are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, blue, or black.
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The word is derived from the Latin word caeruleus (Latin: [kae̯ˈru.le.us]), "dark blue, blue, or blue-green", which in turn probably derives from caerulum, diminutive of caelum, "heaven, sky". [2] "Cerulean blue" is the name of a blue-green pigment consisting of cobalt stannate (Co 2 SnO 4). The pigment was first synthesized in the late ...
The Ishtar Gate of ancient Babylon (604–562 BC) was decorated with deep blue glazed bricks used as a background for pictures of lions, dragons and aurochs. [16] The ancient Greeks classified colors by whether they were light or dark, rather than by their hue. The Greek word for dark blue, kyaneos, could also mean dark green, violet, black or ...
Prussian blue, a dark blue pigment containing iron and cyanide Prussian blue (medical use), the use of Prussian blue for medical treatment and diagnosis; Perls' Prussian blue, a stain used for medical diagnosis
Midnight blue is a dark shade of blue named for its resemblance to the apparently blue color of a moonlit night sky around a full moon. Midnight blue is identifiably blue to the eye in sunlight or full-spectrum light , but can appear black under certain more limited spectra sometimes found in artificial lighting (especially early 20th-century ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 December 2024. Variety of the color blue For other uses, see Shades of Blue (disambiguation). "Shade of Blue" redirects here. For the song by Black Rebel Motorcycle Club, see Shade of Blue (song). For the R&B/funk band, see Shade of Blue (band). Blue Wavelength 440–490 nm Common connotations ...