Color - Genes can tell you if you should start cancer screening years earlier. Or if you should talk to your doctor about more than lifestyle changes for preventing heart conditions.. Color (American English), or colour (Commonwealth English), is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.This perception of color derives from the stimulation of cone cells in the human eye by electromagnetic radiation in the visible spectrum.. Color definition, the quality of an object or substance with respect to light reflected by the object, usually determined visually by measurement of hue, saturation, and brightness of the reflected light; saturation or chroma; hue. See more..
color col·or (kŭl′ər) n. 1. That aspect of things that is caused by differing qualities of the light reflected or emitted by them, definable in terms of the observer or of the light, as: a. The appearance of objects or light sources described in terms of the individual's perception of them, involving hue, lightness, and saturation for objects, and. Color and colour are different spellings of the same word.Color is the preferred spelling in American English, and colour is preferred in all other main varieties of English. The distinction extends to all derivatives of the word. Colored, coloring, colorer, colorful, and discolor are the U.S. spellings, and coloured, colouring, colourer, colourful, and discolour are preferred outside the U.S.. When choosing between color and colour, keep in mind that both spellings are correct.; The shorter one, color, is the preferred spelling in the United States. The rest of the English-speaking world uses the longer form, colour..
The color of each pixel is represented as a 32-bit number: 8 bits each for alpha, red, green, and blue (ARGB). Each of the four components is a number from 0 through 255, with 0 representing no intensity and 255 representing full intensity. The alpha component specifies the transparency of the color: 0 is fully transparent, and 255 is fully opaque..