Varieties of the color blue may differ in hue, chroma (also called saturation, intensity, or colorfulness), or lightness (or value, tone, or brightness)...
62 KB (5,435 words) - 11:58, 23 June 2024
recognized: B. m. musculus in the North Atlantic and North Pacific, B. m. intermedia in the Southern Ocean, B. m. brevicauda (the pygmy blue whale) in the...
94 KB (10,329 words) - 17:49, 4 September 2024
Sky blue refers to a collection of shades comparable to that of a clear daytime sky. Typically it is a shade of cyan or light teal, though some iterations...
24 KB (2,434 words) - 04:43, 27 August 2024
c ⋅ c = ( a − b ) ⋅ ( a − b ) = a ⋅ a − a ⋅ b − b ⋅ a + b ⋅ b = a 2 − a ⋅ b − a ⋅ b + b 2 = a 2 − 2 a ⋅ b + b 2 c 2 = a 2 + b 2 − 2 a b cos θ {\displaystyle...
28 KB (4,320 words) - 10:11, 28 July 2024
Royal blue is a deep and vivid shade of blue. It is said to have been created by a consortium of mills in Rode, Somerset, which won a competition to make...
8 KB (786 words) - 20:12, 22 August 2024
Copper phthalocyanine (redirect from Helio Blue B)
(CuPc), also called phthalocyanine blue, phthalo blue and many other names, is a bright, crystalline, synthetic blue pigment from the group of dyes based...
21 KB (2,209 words) - 22:30, 24 May 2024
Blue-green is the color between blue and green. It belongs to the cyan family. Cyan is the blue-green color that is between blue and green on a modern...
6 KB (966 words) - 13:51, 16 July 2024
Navy blue is a dark shade of the color blue. Navy blue got its name from the dark blue (contrasted with naval white) worn by officers in the Royal Navy...
10 KB (731 words) - 03:54, 27 August 2024
The Royal Blue was the Baltimore and Ohio Railroad (B&O)'s flagship passenger train between New York City and Washington, D.C., in the United States,...
34 KB (3,794 words) - 18:45, 20 April 2024
reaction. Fast Blue BB is slightly slower than Fast Blue B, but the resulting colors are more vivid and intense. Due to concerns about Fast Blue B being carcinogenic...
22 KB (2,374 words) - 13:40, 28 July 2024