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Ocean color is the branch of ocean optics that specifically studies the color of the water and information that can be gained from looking at variations in color. The color of the ocean, while mainly blue, actually varies from blue to green or even yellow, brown or red in some cases. [1]
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Their names are given by the color of the water. Sometimes a system of color symbolism was used as the following method green or light blue for east, black or dark for north, white for west, and red for south. This method is called cardinal directions. [1] There are other theories but these two methods of colors are also used.
During the 1830s, Hokusai's prints underwent a "blue revolution", in which he made extensive use of the dark-blue pigment Prussian blue. [48] He used this shade of blue, which was resistant to fading, for The Great Wave off Kanagawa [ 49 ] with indigo , the delicate, quickly fading shade of blue that was commonly used in ukiyo-e works at the time.
A sequel, Endless Ocean 2: Adventures of the Deep was released in Japan on September 17, 2009, in Europe on February 5, 2010, and in North America on February 22, 2010, under the name Endless Ocean: Blue World. [4] [5] A third game in the series, Endless Ocean Luminous, was released on the Nintendo Switch in all regions on May 2, 2024. [6]
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.
Aqua (Latin for "water") is a variation of the color cyan.The normalized color coordinates for the two web colors named aqua and cyan are identical. It was one of the three secondary colors of the RGB color model used on computer and television displays.
It is the only one of the lunar maria to be called an "Oceanus" (ocean), due to its size: Oceanus Procellarum is the largest of the maria ("seas"), stretching more than 2,500 km (1,600 mi) across its north–south axis and covering roughly 4,000,000 km 2 (1,500,000 sq mi), accounting for 10.5% of the total lunar surface area.