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Under normal circumstances, each ring is hidden by contraction of muscles above the iridophores. When these relax and muscles outside the ring contract, the iridescence is exposed, thereby revealing the blue color. [7] Similar to other Octopoda, the blue-ringed octopus swims by expelling water from a funnel in a form of jet propulsion.
Navy and light blue colors conceal potential dirt or grease on the worker's clothing, helping them to appear cleaner. For the same reason, blue is a popular color for boilersuits which protect workers' clothing. Some blue collar workers have uniforms with the name of the business or the individual's name embroidered or printed on it.
Beau blue is a light tone of baby blue. "Beau" means "beautiful" in French. The source of this color is the color that is called beau blue in the Plochere Color System, a color system formulated in 1948 that is widely used by interior designers. [4]
' blue shark '; colloquially anglicised as / ˈ b l ɑː h ɑː ʒ /, / ˈ b l ɑː h ɑː / or / ˈ b l oʊ h aɪ /) is commonly associated with LGBT culture, in particular the transgender community, in part due to being colored similarly to a transgender pride flag. [41]
Haint blue is a collection of pale shades of blue-green that are traditionally used to paint porch ceilings in the Southern United States. [ 1 ] [ 2 ] Hex #D1EAEB is a popular shade of haint blue. The tradition originated with the Gullah in Georgia and South Carolina .
Suntory "blue" rose Rosa 'Cardinal de Richelieu' rose, used for the first genetic engineering experiments. Scientists have yet to produce a truly blue-colored rose; however, after thirteen years of collaborative research by an Australian company, Florigene, and a Japanese company, Suntory, a rose containing the blue pigment delphinidin was created in 2002 by genetic engineering of a white rose ...
The five intermediary colors (五間色 wǔjiànsè) are formed as combinations of the five elemental colors. These are: [10] 綠 lǜ 'green': The intermediary color of the east, combination of central yellow and eastern blue; 碧 bì 'emerald blue': The intermediary color of the west, combination of eastern blue and western white
Use of the light blue color at UNC dates from 1795 when the Dialectic (blue) and Philanthropic (white) Societies of the university chose representative colors. Society members would wear a blue or white ribbon at university functions, and blue or white ribbons were attached to the diplomas of graduates. [4] Light blue and white have been UNC's ...