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Red blood cells ( RBCs ), scientific name erythrocytes (from ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage), also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate 's principal means of delivering oxygen (O 2) to the ...
The list shows the color swatch and its name. Hovering over the color box shows the HSV, RGB, and #hex values for the color in the tool tip. All values and conversions are in the sRGB color space, which is an inappropriate assumption for some entries.
Iron oxide red is a generic name of a ferric oxide pigment of reddish colors. Multiple shades based on both anhydrous Fe. 2O. 3 and its hydrates were known to painters since prehistory. The pigments were originally obtained from natural sources, since the 20th century they are mostly synthetic.
Amaranth #E52B50. #E52B50. The flower of the amaranth plant. Amaranth is a reddish - rose color that is a representation of the color of the flower of the amaranth plant. The color shown is the color of the red amaranth flower (the color normally considered amaranth), but there are other varieties of amaranth that have other colors of amaranth ...
Mars surface color. Yogi Rock, analyzed by the Sojourner rover (July 4, 1997) The surface color of the planet Mars appears reddish from a distance because of rusty atmospheric dust. [1] From close up, it looks more of a butterscotch, [1] and other common surface colors include golden, brown, tan, and greenish, depending on minerals.
Carnelian is a color named after the carnelian variety of the mineral chalcedony. This semi-precious gemstone is noted for its rich shade of reddish - brown . The first recorded use of Carnelian as a color name in English was in 1899. [2] The color used by Cornell University is referred to as Cornelian (an alternate spelling of the mineral ...
Red hair. Red hair, also known as orange hair[citation needed] or ginger hair, is a human hair color found in 2–6% of people of Northern or Northwestern European ancestry and lesser frequency in other populations.
