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The notion of "green" in modern European languages corresponds to light wavelengths of about 520–570 nm, but many historical and non-European languages make other choices, e.g. using a term for the range of ca. 450–530 nm ("blue/green") and another for ca. 530–590 nm ("green/yellow").
In some languages, blue and green are considered a single color. In the iconography of the Virgin of Guadalupe, she is often depicted as wearing a blue-green colored robe. The color is significant to the Mexicas because of the Aztec religion. Also, Blue-green is known as Maya blue in pre-Columbian cultures.
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 ...
Hues of blue include indigo and ultramarine, closer to violet; pure blue, without any mixture of other colours; Azure, which is a lighter shade of blue, similar to the colour of the sky; Cyan, which is midway in the spectrum between blue and green, and the other blue-greens such as turquoise, teal, and aquamarine.
Color wheel with Irish color terms, explaining that the difference between glas ('light blue/gray/green') and gorm ('deep blue/gray/green') is based on intensity rather than hue. Similarly, rua refers to deep reds while dearg refers to bright reds, and geal , bán and fionn all refer to varying degrees of brightness or "fairness", without ...
A teal blue shade leans toward the blue end of the spectrum. Variations of teal with a greener tint are commonly referred to as teal green. [8] Turquoise, reminiscent of the stone with the same name, is a shade in the green spectrum of cyan hues. [9] Celeste is a lightly tinted cyan that represents the color of a clear sky.
Red vs. Green Rhubarb: What’s the Difference? Believe it or not, there’s no significant flavor difference between red and green rhubarb. Instead, rhubarb’s color actually indicates the variety.
Edible blue-green algae reduce the production of pro-inflammatory cytokines by inhibiting NF-κB pathway in macrophages and splenocytes. [260] Sulfate polysaccharides exhibit immunomodulatory, antitumor, antithrombotic, anticoagulant, anti-mutagenic, anti-inflammatory, antimicrobial, and even antiviral activity against HIV, herpes, and hepatitis.