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The ColorChecker Color Rendition Chart (often referred to by its original name, the Macbeth ColorChecker [1] or simply Macbeth chart [2]) is a color calibration target consisting of a cardboard-framed arrangement of 24 squares of painted samples.
The northern cardinal, a classic red bird, has pigment in its feathers that absorbs all but the red wavelengths, which are then reflected to us. Carotenoid-based colors are often used as an ...
Color chips or color samples from a plastic pellet manufacturer that enables customers to evaluate the color range as molded objects to see final effects. A color chart or color reference card is a flat, physical object that has many different color samples present. They can be available as a single-page chart, or in the form of swatchbooks or ...
The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.
Fishbrain is a mobile app and social media platform made for anglers. Its features include map-based tools, social networking features ,fishing forecasts including weather , lunar cycles , tidal charts , map functionality, predicted fish activity, analysis of species behavior, and suggestions on fishing gear.
The birds are 12 to 15 centimetres (4.7 to 5.9 in) long and have short, conical bills. Males in breeding plumage are usually colourful with bright red or yellow on the head and sometimes elsewhere. Non-breeding males and females are dull, sparrow -like birds with mostly grey-brown plumage.
The bird wrasse is a medium-sized fish which can reach a standard length of 30 cm (12 in). [3] It has an elongated body, laterally compressed, with a truncated tail and a long snout. Adults are relatively easy to recognize by their characteristic long nose and the jerky flapping of their pectoral fins when swimming.
Robin egg blue, also called eggshell blue or robin's-egg blue, [1] is a shade of teal (a blue-green color), approximating the shade of the eggs laid by the American robin, an abundant songbird of North America. The egg pigment is biliverdin, a product of the breakdown of heme. [2]