Pear is a color that resembles Pears. Authors of web pages have a variety of options available for specifying colors for elements of web documents. ... The RGB color model utilizes the additive model in which red, green, and blue light are combined in various ways to create other colors. ... Cyan, magenta, yellow, and key (black) CMYK (or sometimes YMCK) is a subtractive color model used in color printing. ... The HSV (Hue, Saturation, Value) model, also called HSB (Hue, Saturation, Brightness), defines a color space in terms of three constituent components: HSV color space as a color wheel Hue, the color type (such as red, blue, or yellow): Ranges from 0-360 (but normalized to 0-100% in some... Species About 30 species, including: Pyrus amygdaliformis Pyrus austriaca Pyrus balansae Pyrus betulifolia Pyrus bourgaeana Pyrus bretschneideri Pyrus calleryana Pyrus caucasica Pyrus communis Pyrus cordata Pyrus cossonii Pyrus elaeagrifolia Pyrus fauriei Pyrus kawakamii Pyrus korshinskyi Pyrus lindleyi Pyrus nivalis Pyrus pashia Pyrus persica Pyrus phaeocarpa Pyrus pyraster Pyrus pyrifolia Pyrus...
In case a package has to deal with colors, it is recommended that developers store and use an array representation of the color values in their PEAR packages.
It was decided not to use "r", "g" and "b" as indices for the array, because numerical indices allow easier creation of color arrays in the sourcecode, make handling less complicated and are an already commonly used array representation for colors.
The alpha-representation used in PEAR was choosen for consistency with the other RGB values and because it is commonly accepted practise in many other applications (image-processing tools, etc.).
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