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Green algae in rivers and streams often lend a blue-green color. The Red Sea has occasional blooms of red Trichodesmium erythraeum algae. [citation needed] Particles in water can scatter light. The Colorado River is often muddy red because of suspended reddish silt in the water—this gives the river its name, from Spanish colorado, ' colored ...
The watercolor illusion, also referred to as the water-color effect, is an optical illusion in which a white area takes on a pale tint of a thin, bright, intensely colored polygon surrounding it if the coloured polygon is itself surrounded by a thin, darker border (Figures 1 and 2).
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 ]
The water color spectrum as seen by a satellite sensor is defined as an apparent optical property (AOP) of the water. This means that the color of the water is influenced by the angular distribution of the light field and by the nature and quantity of the substances in the medium, in this case, water. [2]
An artist working on a watercolor using a round brush Love's Messenger, an 1885 watercolor and tempera by Marie Spartali Stillman. Watercolor (American English) or watercolour (Commonwealth English; see spelling differences), also aquarelle (French:; from Italian diminutive of Latin aqua 'water'), [1] is a painting method [2] in which the paints are made of pigments suspended in a water-based ...
The names are: The Red Sea, White Sea, Black Sea, and Yellow Sea. 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]